Common Weakness Enumeration

CWE-121

Allowed

Stack-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

6108 vulnerabilities reference this CWE, most recent first.

CVE-2026-76003 (GCVE-0-2026-76003)

Vulnerability from cvelistv5 – Published: 2026-08-19 02:00 – Updated: 2026-08-21 21:49
VLAI
Title
UTT HiPER 1200GW formGroupConfig strcpy stack-based overflow
Summary
A weakness has been identified in UTT HiPER 1200GW up to 2.5.3-170306. Affected is the function strcpy of the file /goform/formGroupConfig. Executing a manipulation of the argument timestart can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
9.9 (Critical)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 21:36 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3981 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/391919 vdb-entrytechnical-description
https://vuldb.com/vuln/391919/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-76003 third-party-advisory
https://vuldb.com/submit/877884 third-party-advisory
https://github.com/7wkajk/CVE-VUL/blob/main/105.md exploit
Impacted products
Vendor Product Version
UTT HiPER 1200GW Affected: 2.5.3-170306
    cpe:2.3:a:utt:hiper_1200gw:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
yecp (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-75976 (GCVE-0-2026-75976)

Vulnerability from cvelistv5 – Published: 2026-08-18 23:30 – Updated: 2026-08-25 01:47
VLAI
Title
TRENDnet TEW-823DRU NVRAM wan.cgi strcpy stack-based overflow
Summary
A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. Impacted is the function strcpy of the file /cgi-bin/wan.cgi of the component NVRAM. This manipulation of the argument wan_l2tp_password causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
9.9 (Critical)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 01:47 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3981 records in the last 180 days details
References
Impacted products
Vendor Product Version
TRENDnet TEW-823DRU Affected: 1.1.02b01
    cpe:2.3:a:trendnet:tew-823dru:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
fuhanhan2015 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-75877 (GCVE-0-2026-75877)

Vulnerability from cvelistv5 – Published: 2026-08-18 19:45 – Updated: 2026-08-19 13:10
VLAI
Title
TRENDnet TV-IP751WIC alphapd FUN_0043372C stack-based overflow
Summary
A flaw has been found in TRENDnet TV-IP751WIC 11.03.03. This vulnerability affects the function SystemNetworkChanged/SystemDDNSChanged/SystemEmailChanged/SystemFTPChanged/websCheckRealm/FUN_00432574/FUN_0043372C of the component alphapd. Executing a manipulation can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may be used.
Severity
9.4 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
9.9 (Critical)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 13:09 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3981 records in the last 180 days details
References
Impacted products
Vendor Product Version
TRENDnet TV-IP751WIC Affected: 11.03.03
    cpe:2.3:a:trendnet:tv-ip751wic:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
fuhanhan2015 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-75784 (GCVE-0-2026-75784)

Vulnerability from cvelistv5 – Published: 2026-08-18 14:00 – Updated: 2026-08-20 17:20
VLAI
Title
TRENDnet TEW-WLC100 HTTP Header nginx FUN_0040da4c stack-based overflow
Summary
A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of the file /usr/nginx/sbin/nginx of the component HTTP Header Handler. The manipulation of the argument Server results in stack-based buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.
Severity
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
10 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 15:52 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3981 records in the last 180 days details
References
Impacted products
Vendor Product Version
TRENDnet TEW-WLC100 Affected: 1v2.07b01
    cpe:2.3:a:trendnet:tew-wlc100:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
fuhanhan2014 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-75783 (GCVE-0-2026-75783)

Vulnerability from cvelistv5 – Published: 2026-08-18 12:45 – Updated: 2026-08-18 13:29
VLAI
Title
TRENDnet TEW-WLC100P DHCP blobmsg netifd stack-based overflow
Summary
A security vulnerability has been detected in TRENDnet TEW-WLC100P 12.07b01. Affected by this vulnerability is an unknown functionality of the file /sbin/netifd of the component DHCP blobmsg Handler. The manipulation leads to stack-based buffer overflow. The attack must be carried out from within the local network. The exploit has been disclosed publicly and may be used.
Severity
9.4 (Critical)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
9.6 (Critical)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
9.6 (Critical)
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 13:29 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3981 records in the last 180 days details
References
Impacted products
Vendor Product Version
TRENDnet TEW-WLC100P Affected: 12.07b01
    cpe:2.3:o:trendnet:tew-wlc100p_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
fuhanhan2014 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-75676 (GCVE-0-2026-75676)

Vulnerability from cvelistv5 – Published: 2026-09-22 18:52 – Updated: 2026-09-23 03:56
VLAI
Title
Bridge | Stack-based Buffer Overflow (CWE-121)
Summary
Bridge is affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 00:00 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow (CWE-121)
Assigner
adobe CNA under the mitre root
CNA scorecard C 75/100 over 805 records in the last 180 days details
References
Impacted products
Vendor Product Version
Adobe Adobe Bridge Affected: 0 , ≤ 16.0.6 (semver)
Unaffected: 16.0.7 (semver)
Create a notification for this product.
Adobe Adobe Bridge Affected: 0 , ≤ 15.1.7 (semver)
Unaffected: 15.1.8 (semver)
Create a notification for this product.
Date Public
2026-09-22 17:00
Show details on NVD website
To clipboard 

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CVE-2026-75142 (GCVE-0-2026-75142)

Vulnerability from cvelistv5 – Published: 2026-08-19 16:24 – Updated: 2026-08-27 16:25 X_Open Source
VLAI
Title
FFmpeg Stack Buffer Overflow in MPEG-PS Muxer via mpegenc.c
Summary
FFmpeg before commit 9d786e4 contains a stack buffer overflow in the MPEG-PS muxer (libavformat/mpegenc.c). When muxing input with more streams than the muxer's fixed-size stack buffer accommodates, the buffer is overflowed. A crafted input with an excessive number of streams triggers the overflow during MPEG-PS muxing.
Severity
8.5 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 03:55 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6637 records in the last 180 days details
References
Impacted products
Vendor Product Version
FFmpeg FFmpeg Affected: 0 , < 9d786e4b5e9b8482651928574de33772aeee7be1 (git)
Create a notification for this product.
Date Public
2026-08-04 00:00
Credits
Joshua Rogers (AISLE Research)
Show details on NVD website
To clipboard 

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CVE-2026-75126 (GCVE-0-2026-75126)

Vulnerability from cvelistv5 – Published: 2026-08-28 15:33 – Updated: 2026-09-01 20:28
VLAI
Title
PLANET GS-4210-16P2S V3 Stack Buffer Overflow via dispatcher.cgi Standard Handlers
Summary
PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains multiple authenticated stack buffer overflow vulnerabilities in /cgi-bin/dispatcher.cgi. The following handlers copy attacker-controlled POST parameters into fixed-size stack buffers without length validation: web_vlan_membership_edit_dialog_post; web_dai_vlan_post; web_poe_alive_rmtip_post; web_sys_sntp_post; web_tool_upgradeManager_post; web_port_countersClr_post; web_rmon_statisticsClr_post; web_cablediag_copper_post; web_aaa_*Authlist* handlers; web_acl_mgmt_Rules_Apply_post; web_acl_mgmt_Rules_Edit_post; web_acl_*AceDel_post handlers; web_acl_*AceAdd/Edit_post handlers; web_acl_bindAdd_post; web_acl_bindEdit_post; web_snmp_v3view_add_post; web_snmp_v3group_add_post; web_snmp_v3community_add_post; web_snmp_v3host_add_post; web_snmp_notifyv3_add_post; web_snmp_v3user_add_post; web_snmpv3_remote_engineId_add_post; web_stp_globalSetting_post; web_isg_db_post; web_tacplus*_post handlers; web_dhcp_option82_post; and web_dhcp_port_option82_cid_post. A remote authenticated attacker can send crafted requests to crash the CGI process or web management service, resulting in denial of service.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:41 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6637 records in the last 180 days details
References
Impacted products
Vendor Product Version
PLANET Technology Corp. PLANET GS-4210-16P2S V3 Affected: 0 , < 3.441b260626 (custom)
Create a notification for this product.
Date Public
2026-08-27 00:00
Credits
Jincheng Wang (@winmt) Professor Le Yu of Nanjing University of Posts and Telecommunications Professor Xiapu Luo of The Hong Kong Polytechnic University
Show details on NVD website
To clipboard 

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CVE-2026-75118 (GCVE-0-2026-75118)

Vulnerability from cvelistv5 – Published: 2026-08-28 20:31 – Updated: 2026-09-01 14:46
VLAI
Title
http_gdpr_decrypt Pre-Authentication Stack-Based Buffer Overflow
Summary
A pre-authentication stack-based buffer overflow vulnerability exists in the http_gdpr_decrypt function of TL-MR100 V3.20 due to insufficient bounds checking of encrypted requests to the /cgi/login endpoint. An adjacent unauthenticated attacker with access to the router's web management interface can trigger memory corruption and potentially achieve arbitrary code execution. Successful exploitation can overwrite saved control-flow data on the httpd process stack prior to authentication, resulting in a service crash or potential arbitrary code execution in the context of the affected process.
Severity
8.7 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 03:56 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
TPLink CNA under the mitre root
CNA scorecard B 88/100 over 99 records in the last 180 days details
References
Impacted products
Vendor Product Version
TP-Link Systems Inc. TL-MR100 v3.20 Affected: 0 , < (EU)_1.3.0 Build 260609 (custom)
Create a notification for this product.
Credits
Kylian Eury
Show details on NVD website
To clipboard 

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CVE-2026-74843 (GCVE-0-2026-74843)

Vulnerability from cvelistv5 – Published: 2026-08-17 11:15 – Updated: 2026-08-17 14:44
VLAI
Title
Wavlink WN531P3/WN535M1 Export Pingortrace CGI export_pingortrace.cgi strcpy stack-based overflow
Summary
A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function strcpy of the file /etc/lighttpd/www/cgi-bin/export_pingortrace.cgi of the component Export Pingortrace CGI. Executing a manipulation of the argument HTTP_COOKIE can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.
Severity
10 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
10 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 14:44 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3981 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/391205 vdb-entrytechnical-description
https://vuldb.com/vuln/391205/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-74843 third-party-advisory
https://vuldb.com/submit/875331 third-party-advisory
https://github.com/wcndsb-sketch/WAVLINK_WN535M1-… exploit
Impacted products
Vendor Product Version
Wavlink WN531P3 Affected: V250922
    cpe:2.3:a:wavlink:wn531p3:*:*:*:*:*:*:*:*
Create a notification for this product.
Wavlink WN535M1 Affected: V250922
    cpe:2.3:a:wavlink:wn535m1:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
world5 (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Mitigation MIT-10
Operation Build and Compilation

Strategy: Environment Hardening

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation
Implementation

Implement and perform bounds checking on input.

Mitigation
Implementation

Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.

Mitigation MIT-11
Operation Build and Compilation

Strategy: Environment Hardening

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].

No CAPEC attack patterns related to this CWE.

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