Common Weakness Enumeration

CWE-306

Allowed

Missing Authentication for Critical Function

Abstraction: Base · Status: Draft

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

4923 vulnerabilities reference this CWE, most recent first.

GCVE-1-2026-20169 (CVE-2026-78255)

Vulnerability from gna-1 – Published: 2026-08-24 07:23 – Updated: 2026-08-24 07:25
VLAI
Title
DJI Drone HTTP Media Server Allows Unauthenticated Access to Stored Media
Summary
The HTTP media server running on DJI drones serves stored photos and videos through the `/v2` endpoint without authenticating the requesting client. Filenames follow a predictable pattern, allowing an attacker who joins the drone's internal network to enumerate valid filenames and exfiltrate stored photos and videos. The exposed media may reveal sensitive information, including private locations, property, travel history, identifiable individuals, and the operator's routines. Affected models are DJI Neo until 01.00.0400, DJI Neo 2 until 01.00.0500, DJI Flip until 01.00.1200, DJI Air 3 until 01.00.1600, DJI Air 3S until 01.00.1400, DJI Avata 2 until 01.00.0400, DJI Avata 360 until 01.00.0300, DJI Mavic 3 until 01.00.1400, DJI Mavic 3 Classic until 01.00.0800, DJI Mavic 3 Pro until 01.01.0700, DJI Mavic 4 Pro until 01.00.0500, DJI Mini 2 until 01.07.0200, DJI Mini 3 until 01.00.0500, DJI Mini 3 Pro until 01.00.0900, DJI Mini 4 Pro until 01.00.1100, and DJI Mini 5 Pro until 01.00.0600.
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
CIRCL GNA GNA-1
GNA scorecard A 90/100 over 252 records in the last 180 days details
References
Impacted products
Vendor Product Version
DJI Neo Affected: 0 , ≤ 01.00.0400 (semver)
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DJI Neo 2 Affected: 0 , ≤ 01.00.0500 (semver)
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DJI Flip Affected: 0 , ≤ 01.00.1200 (semver)
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DJI Air 3 Affected: 0 , ≤ 01.00.1600, (semver)
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DJI Air 3S Affected: 0 , ≤ 01.00.1400 (semver)
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DJI Avata 2 Affected: 0 , ≤ 01.00.0400 (semver)
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DJI Avata 360 Affected: 0 , ≤ 01.00.0300 (semver)
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DJI Mavic 3 Affected: 0 , ≤ 01.00.1400 (semver)
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DJI Mavic 3 Classic Affected: 0 , ≤ 01.00.0800 (semver)
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DJI Mavic 3 Pro Affected: 0 , ≤ 01.01.0700 (semver)
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DJI Mavic 4 Pro Affected: 0 , ≤ 01.00.0500 (semver)
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DJI Mini 2 Affected: 0 , ≤ 01.07.0200 (semver)
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DJI Mini 3 Affected: 0 , ≤ 01.00.0500 (semver)
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DJI Mini 3 Pro Affected: 0 , ≤ 01.00.0900 (semver)
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DJI Mini 4 Pro Affected: 0 , ≤ 01.00.1100 (semver)
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DJI Mini 5 Pro Affected: 0 , ≤ 01.00.0600 (semver)
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GCVE-1-2026-20116 (CVE-2026-107180)

Vulnerability from gna-1 – Published: 2026-10-07 12:49 – Updated: 2026-10-07 12:49
VLAI
Title
MISP: Forced TOTP Enrolment Bypassed via Non-Browser Request Types on otp_required Instances
Summary
On MISP instances configured to require TOTP enrolment (Security.otp_required), the enforcement of the mandatory two-factor authentication setup applied only to standard browser requests. An authenticated user who had not yet enrolled in TOTP could bypass the forced setup by issuing any non-browser request type, including AJAX/XHR calls, REST API requests, .json format URLs, restSearch queries, or automation actions. Because these machine-readable request shapes cannot follow the redirect that the browser path uses to send the user to the TOTP enrolment page, the guard simply skipped the check and the user retained full access to the instance without completing the required second-factor setup. The initial fix (commit 8deb0619e) added a guard specifically for AJAX requests. A follow-up fix (commit 6b527ba6e) broadened the guard to cover every non-browser request shape, while preserving the exemption for identities authenticated via API key (logged_by_authkey flag). Impact: an authenticated user on an otp_required instance can operate with full access indefinitely without enrolling in TOTP, nullifying the instance-level two-factor authentication policy. Affected version: <2.5.48
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
Supplier · CNA (v2.0.3)
Decision recorded 2026-10-07 12:45 UTC
CWE
  • CWE-287 - Improper Authentication
  • CWE-306 - Missing Authentication for Critical Function
Assigner
CIRCL GNA GNA-1
GNA scorecard A 90/100 over 252 records in the last 180 days details
Impacted products
Vendor Product Version
MISP MISP Affected: 0 , < 2.5.48 (semver)
    cpe:2.3:a:misp:misp:*:*:*:*:*:*:*:*
Create a notification for this product.
GCVE extensions
bcp-05-x-01
AI-assisted vulnerability information annotation
GCVE-BCP-05-X-01
Whole record AI-generated Human-reviewed GNA-1

Draft vulnerability metadata was generated from a git-format patch using an Ollama-hosted language model. Human validation is required before publication.

ai-computer-assisted:llm-generatedai-computer-assisted:classification
Model Source Identifier
qwen3.8:27b ollama qwen3.8:27b
bcp-05-x-02
Patch-to-vulnerability generation provenance
GCVE-BCP-05-X-02
Generator
patch2vuln.py on 2026-10-07 12:45
Model
qwen3.8:27b
Input
patch set (2 sources) 38ec10c8e322…
Confidence
medium
Commit Subject Patch SHA-256
8deb0619e5ed fix: [login] enforce TOTP enrolment on AJAX requests 9e42ef967102…
6b527ba6e6a3 fix: [login] Refuse every unenrolled session request, not f97d3076e297…
Fix summary

The TOTP enrolment enforcement in the user verification path was extended from covering only standard browser requests to covering all non-browser request types (AJAX, REST, .json, automation). Any request that cannot follow the browser redirect to the TOTP setup page is now refused with a 403 Forbidden response if the user has not enrolled in TOTP and the instance requires it. Identities authenticated via API key remain exempt, as they are not browser sessions subject to the redirect-based enrolment flow.

Patch summary

In app/Controller/AppController.php, the __verifyUser method was modified. Patch 1 added a conditional block after the $isUserRequest definition that checks: the request is not a standard user request, it is an AJAX request, the user has no TOTP configured, Security.otp_required is enabled, the role does not have perm_skip_otp, and the current action is not one of the allowed exceptions (terms, change_pw, logout, login, totp_new). If all conditions are met, a ForbiddenException is thrown. Patch 2 replaced the $this->request->is('ajax') condition with empty($user['logged_by_authkey']), broadening the guard to all non-browser request types while explicitly exempting API-key-authenticated sessions.

CVSS rationale

AV:N - the bypass is achieved over the network via HTTP requests. AC:L - the attack is trivially simple: change the request type (add X-Requested-With header, append .json, use REST endpoint). AT:N - no special target conditions. PR:L - the attacker needs a valid authenticated session (low privilege: any user account). UI:N - no victim interaction beyond the attacker's own request. VC:H - the two-factor authentication requirement is completely bypassed, meaning the confidentiality protection provided by mandatory 2FA is nullified; the user retains full data access without the second factor. VI:N, VA:N - no integrity or availability impact on the MISP component. SC:N, SI:N, SA:N - no impact on subsequent components. The primary impact is the bypass of an authentication control (confidentiality of the 2FA gate).

Weakness rationale
  • CWE-287 The TOTP (two-factor) authentication requirement is not properly enforced across all request types. The authentication gate (forced TOTP enrolment) is bypassed for non-browser requests, allowing a user to operate without completing the required second factor. This is a failure to properly enforce an authentication requirement.
  • CWE-306 The critical function of enforcing TOTP enrolment on otp_required instances is missing for AJAX, REST, .json, and automation request paths. The authentication check is present for browser requests but absent for all other request shapes, constituting a missing authentication control on a critical security function.
Attack pattern rationale
  • CAPEC-128 The access control policy requiring TOTP enrolment is incorrectly scoped to only standard browser requests. An attacker (or the legitimate user) exploits this misconfiguration by issuing requests in a non-browser format (AJAX, REST, .json) that the access control check does not cover. This is the closest CAPEC to the observed bypass of a security control due to incomplete scoping of the enforcement logic. The mapping is approximate because the bypass is of an authentication requirement rather than a traditional authorization rule, but CAPEC-128 best captures the pattern of exploiting an access control that is not uniformly applied.
Assumptions to verify
  • The affected MISP version range is not specified in the patch metadata; the vulnerability is assumed to affect all versions prior to the fix commits (8deb0619e and 6b527ba6e) that contain the otp_required enforcement logic without the non-browser request guard.
  • The CAPEC-128 mapping is approximate; the bypass is of an authentication requirement (forced TOTP enrolment) rather than a traditional authorization rule, but CAPEC-128 is the closest available pattern for exploiting an access control that is not uniformly applied across all request paths.
  • CVSS VC:H assumes that bypassing the mandatory 2FA requirement constitutes a high confidentiality impact on the vulnerability component, as the instance-level security policy (requiring all users to have 2FA) is nullified for the affected user. If the instance's threat model considers 2FA as a defense-in-depth layer rather than a primary control, VC could be rated Lower.
  • The patch evidence does not indicate whether the vulnerability is exploitable by an external unauthenticated attacker; the analysis assumes the attacker is an authenticated user (PR:L) who has not yet enrolled in TOTP.
  • The two commits are treated as a single vulnerability per the patch_set_assumption; the first commit is an incomplete fix and the second is the complete fix.
Model comparison

Selected qwen3.8:27b by deterministic-consensus-v1
The selected result is closest to model consensus; this heuristic does not establish factual correctness and human review remains required.

Model Score Agreement Confidence Assumptions
qwen3.8:27b 7 11 medium 5
bcp-05-x-03
Vulnerability handling and disclosure timeline
GCVE-BCP-05-X-03
  1. 2026-09-23 07:53 UTC Fix developed Corrective change authored (8deb0619e5ed6b12a1aa94967c68c977eb05398f): fix: [login] enforce TOTP enrolment on AJAX requests https://github.com/MISP/MISP/commit/8deb0619e.patch
  2. 2026-09-28 11:55 UTC Fix developed Corrective change authored (6b527ba6e6a32aa574aa050eadf36207506dcea2): fix: [login] Refuse every unenrolled session request, not https://github.com/MISP/MISP/commit/6b527ba6e.patch

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GCVE-1-2026-20060 (CVE-2026-78369)

Vulnerability from gna-1 – Published: 2026-08-24 12:57 – Updated: 2026-08-24 12:57
VLAI
Title
Missing Authentication Allows Unauthorized Creation of Crypto Groups in RansomLook
Summary
RansomLook contains a missing authentication vulnerability in the /admin/crypto/group/new endpoint. While the endpoint provides an administrative function for creating new crypto group entries, it was not protected by the application's authentication mechanism. An unauthenticated remote attacker able to access the RansomLook web interface could therefore submit requests to this endpoint and create crypto group entries without possessing a valid authenticated session or administrative credentials. Successful exploitation allows an attacker to make unauthorized modifications to data that should only be manageable by authenticated administrators. Depending on how crypto group information is subsequently consumed by RansomLook, malicious or fraudulent entries could also affect the integrity of information presented or processed by the application. The vulnerability is addressed by applying the flask_login.login_required decorator to the /admin/crypto/group/new route, ensuring that only authenticated users can access the functionality.
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
CIRCL GNA GNA-1
GNA scorecard A 90/100 over 252 records in the last 180 days details
References
Impacted products
Vendor Product Version
ransomlook ransomlook Affected: 0 , ≤ 2.0.0 (semver)
Create a notification for this product.

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GCVE-1-2026-20018 (CVE-2026-78306)

Vulnerability from gna-1 – Published: 2026-08-24 08:05 – Updated: 2026-10-12 12:08
VLAI
Title
DJI Drone Bluetooth Interface Unauthenticated DUML Command Execution
Summary
DJI drones expose an unauthenticated DUML command interface over Bluetooth that allows an attacker within Bluetooth range to modify Wi-Fi configuration parameters, including the SSID, PSK, MAC address, regulatory country code, and wireless channel. An attacker can overwrite the Wi-Fi PSK with a known value and connect to the drone's internal Wi-Fi network, potentially gaining access to the flight control interface and issuing flight commands. Crafted DUML commands can also disable or restart the Wi-Fi and Bluetooth interfaces, disconnect Wi-Fi clients, or reset wireless configuration, resulting in a denial-of-service condition that can disrupt the operator's wireless control, video, and telemetry connections during flight. Affected models are DJI Neo until 01.00.0400, DJI Neo 2 until 01.00.0500, DJI Flip until 01.00.1200, DJI Air 3 until 01.00.1600, DJI Air 3S until 01.00.1400, DJI Avata 2 until 01.00.0400, DJI Avata 360 until 01.00.0300, DJI Mavic 3 until 01.00.1400, DJI Mavic 3 Classic until 01.00.0800, DJI Mavic 3 Pro until 01.01.0700, DJI Mavic 4 Pro until 01.00.0500, DJI Mini 2 until 01.07.0200, DJI Mini 3 until 01.00.0500, DJI Mini 3 Pro until 01.00.0900, DJI Mini 4 Pro until 01.00.1100, and DJI Mini 5 Pro until 01.00.0600. Remediation requires a firmware update from the vendor.
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
CIRCL GNA GNA-1
GNA scorecard A 90/100 over 252 records in the last 180 days details
References
Impacted products
Vendor Product Version
DJI Neo Affected: 0 , ≤ 01.00.0400 (semver)
Create a notification for this product.
DJI Neo 2 Affected: 0 , ≤ 01.00.0500 (semver)
Create a notification for this product.
DJI Flip Affected: 0 , ≤ 01.00.1200 (semver)
Create a notification for this product.
DJI Air 3 Affected: 0 , ≤ 01.00.1600 (semver)
Create a notification for this product.
DJI Air 3S Affected: 0 , ≤ 01.00.1400 (semver)
Create a notification for this product.
DJI Avata 2 Affected: 0 , ≤ 01.00.0400 (semver)
Create a notification for this product.
DJI Avata 360 Affected: 0 , ≤ 01.00.0300 (semver)
Create a notification for this product.
DJI Mavic 3 Affected: 0 , ≤ 01.00.1400 (semver)
Create a notification for this product.
DJI Mavic 3 Classic Affected: 0 , ≤ 01.00.0800 (semver)
Create a notification for this product.
DJI Mavic 3 Pro Affected: 0 , ≤ 01.01.0700 (semver)
Create a notification for this product.
DJI Mavic 4 Pro Affected: 0 , ≤ 01.00.0500 (semver)
Create a notification for this product.
DJI Mini 2 Affected: 0 , ≤ 01.07.0200 (semver)
Create a notification for this product.
DJI Mini 3 Affected: 0 , ≤ 01.00.0500 (semver)
Create a notification for this product.
DJI Mini 3 Pro Affected: 0 , ≤ 01.00.0900 (semver)
Create a notification for this product.
DJI Mini 4 Pro Affected: 0 , ≤ 01.00.1100 (semver)
Create a notification for this product.
DJI Mini 5 Pro Affected: 0 , ≤ 01.00.0600 (semver)
Create a notification for this product.

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CVE-2026-19971 (GCVE-0-2026-19971)

Vulnerability from cvelistv5 – Published: 2026-08-17 01:30 – Updated: 2026-08-17 16:03
VLAI
Title
LB-Link WR1210M Backup Endpoint backup.cgi main missing authentication
Summary
A flaw has been found in LB-Link WR1210M 1.0.3. This impacts the function main of the file /www/cgi-bin/backup.cgi of the component Backup Endpoint. This manipulation causes missing authentication. The attack is only possible within the local network. The vendor was contacted early about this disclosure but did not respond in any way.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 16:01 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3838 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/391148 vdb-entrytechnical-description
https://vuldb.com/vuln/391148/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19971 third-party-advisory
https://vuldb.com/submit/873139 third-party-advisory
Impacted products
Vendor Product Version
LB-Link WR1210M Affected: 1.0.3
    cpe:2.3:a:lb-link:wr1210m:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-19908 (GCVE-0-2026-19908)

Vulnerability from cvelistv5 – Published: 2026-08-14 20:00 – Updated: 2026-08-17 19:52
VLAI
Title
PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability
Summary
PAX Technology Q80 XCB Daemon Missing Authentication Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information and modify configuration on affected installations of PAX Technology Q80. Authentication is not required to exploit this vulnerability. The specific flaw exists within the XCB daemon. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-30584.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 19:51 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
zdi CNA under the mitre root
CNA scorecard C 73/100 over 121 records in the last 180 days details
References
Impacted products
Vendor Product Version
PAX Technology Q80 Affected: 2.6.33.6690R
Create a notification for this product.
Date Public
2026-08-14 20:00
Show details on NVD website

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CVE-2026-19875 (GCVE-0-2026-19875)

Vulnerability from cvelistv5 – Published: 2026-08-19 17:38 – Updated: 2026-08-20 15:57
VLAI
Title
Unauthenticated Registration POST Endpoint Permits Admin Email Overwrite and Outbound Relay Abuse in Langflow
Summary
IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to overwrite administrator email information and abuse the server as an outbound relay due to missing authentication for the registration endpoint.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:40 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
ibm CNA under the mitre root
CNA scorecard B 88/100 over 1289 records in the last 180 days details
References
URL Tags
https://www.ibm.com/support/pages/node/7283810 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM Langflow OSS Affected: 1.0.0 , ≤ 1.10.0 (semver)
    cpe:2.3:a:ibm:langflow:1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:langflow:1.10.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-19853 (GCVE-0-2026-19853)

Vulnerability from cvelistv5 – Published: 2026-08-24 03:30 – Updated: 2026-08-24 12:51
VLAI
Title
CyberTutor|NewSiteServer (NSS) - Missing Authentication
Summary
NewSiteServer (NSS) developed by CyberTutor has a Missing Authentication vulnerability. Unauthenticated remote attackers can exploit a specific functionality to send emails to anyone on behalf of the school.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 12:32 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
twcert CNA under the mitre root
CNA scorecard B 80/100 over 96 records in the last 180 days details
References
Impacted products
Vendor Product Version
CyberTutor NewSiteServer (NSS) Affected: all (custom)
Create a notification for this product.
Show details on NVD website

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CVE-2026-19749 (GCVE-0-2026-19749)

Vulnerability from cvelistv5 – Published: 2026-08-13 20:45 – Updated: 2026-08-18 01:38
VLAI
Title
Tenda CH7 RTSP/ONVIF missing authentication
Summary
A vulnerability was detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15C up to 20260625. Affected by this vulnerability is an unknown functionality of the component RTSP/ONVIF. Performing a manipulation results in missing authentication. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitation appears to be difficult. The exploit is now public and may be used.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 01:37 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3838 records in the last 180 days details
References
Impacted products
Vendor Product Version
Tenda CH7 Affected: 20260625
    cpe:2.3:h:tenda:ch7:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda CH7G Affected: 20260625
    cpe:2.3:h:tenda:ch7g:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda CH10 Affected: 20260625
    cpe:2.3:h:tenda:ch10:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda CP3 Affected: 20260625
    cpe:2.3:h:tenda:cp3:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda CP3 Pro Affected: 20260625
    cpe:2.3:h:tenda:cp3_pro:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda CP7 Affected: 20260625
    cpe:2.3:h:tenda:cp7:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda TC3B14C Affected: 20260625
    cpe:2.3:h:tenda:tc3b14c:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda TC3B15C Affected: 20260625
    cpe:2.3:h:tenda:tc3b15c:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda TC3T14C Affected: 20260625
    cpe:2.3:h:tenda:tc3t14c:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda TC3T15C Affected: 20260625
    cpe:2.3:h:tenda:tc3t15c:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-19677 (GCVE-0-2026-19677)

Vulnerability from cvelistv5 – Published: 2026-10-23 01:21 – Updated: 2026-10-23 01:21
VLAI
Title
Authentication Bypass Leading to Server-Side Command Execution
Summary
An authentication bypass vulnerability in the public onPhase/ frevvo registration form version 11.0.14 allows an unauthenticated remote attacker to authenticate as an arbitrary tenant user, obtain TenantAdmin and Designer privileges, and execute arbitrary operating system commands via manipulation of registration parameters containing a valid tenant name and existing user identifier.
CWE
  • CWE-306 - Missing authentication for critical function
Assigner
MON-CSIRT CNA under the mitre root
CNA scorecard – unranked: 2 records in the last 180 days, 10 needed details
Impacted products
Vendor Product Version
onPhase onPhase Forms Affected: 11.0.14
Create a notification for this product.
Show details on NVD website

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Mitigation
Architecture and Design
  • Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability.
  • Identify all potential communication channels, or other means of interaction with the software, to ensure that all channels are appropriately protected, including those channels that are assumed to be accessible only by authorized parties. Developers sometimes perform authentication at the primary channel, but open up a secondary channel that is assumed to be private. For example, a login mechanism may be listening on one network port, but after successful authentication, it may open up a second port where it waits for the connection, but avoids authentication because it assumes that only the authenticated party will connect to the port.
  • In general, if the software or protocol allows a single session or user state to persist across multiple connections or channels, authentication and appropriate credential management need to be used throughout.
Mitigation MIT-15
Architecture and Design

For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.

Mitigation
Architecture and Design
  • Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment. These capabilities may avoid common weaknesses that are unique to authentication; support automatic auditing and tracking; and make it easier to provide a clear separation between authentication tasks and authorization tasks.
  • In environments such as the World Wide Web, the line between authentication and authorization is sometimes blurred. If custom authentication routines are required instead of those provided by the server, then these routines must be applied to every single page, since these pages could be requested directly.
Mitigation MIT-4.5
Architecture and Design

Strategy: Libraries or Frameworks

  • Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator [REF-45].
Mitigation
Implementation System Configuration Operation

When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to require strong authentication for users who should be allowed to access the data [REF-1297] [REF-1298] [REF-1302].

CAPEC-12: Choosing Message Identifier

This pattern of attack is defined by the selection of messages distributed via multicast or public information channels that are intended for another client by determining the parameter value assigned to that client. This attack allows the adversary to gain access to potentially privileged information, and to possibly perpetrate other attacks through the distribution means by impersonation. If the channel/message being manipulated is an input rather than output mechanism for the system, (such as a command bus), this style of attack could be used to change the adversary's identifier to more a privileged one.

CAPEC-166: Force the System to Reset Values

An attacker forces the target into a previous state in order to leverage potential weaknesses in the target dependent upon a prior configuration or state-dependent factors. Even in cases where an attacker may not be able to directly control the configuration of the targeted application, they may be able to reset the configuration to a prior state since many applications implement reset functions.

CAPEC-216: Communication Channel Manipulation

An adversary manipulates a setting or parameter on communications channel in order to compromise its security. This can result in information exposure, insertion/removal of information from the communications stream, and/or potentially system compromise.

CAPEC-36: Using Unpublished Interfaces or Functionality

An adversary searches for and invokes interfaces or functionality that the target system designers did not intend to be publicly available. If interfaces fail to authenticate requests, the attacker may be able to invoke functionality they are not authorized for.

CAPEC-62: Cross Site Request Forgery

An attacker crafts malicious web links and distributes them (via web pages, email, etc.), typically in a targeted manner, hoping to induce users to click on the link and execute the malicious action against some third-party application. If successful, the action embedded in the malicious link will be processed and accepted by the targeted application with the users' privilege level. This type of attack leverages the persistence and implicit trust placed in user session cookies by many web applications today. In such an architecture, once the user authenticates to an application and a session cookie is created on the user's system, all following transactions for that session are authenticated using that cookie including potential actions initiated by an attacker and simply "riding" the existing session cookie.