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).

5505 vulnerabilities reference this CWE, most recent first.

CVE-2026-76584 (GCVE-0-2026-76584)

Vulnerability from cvelistv5 – Published: 2026-08-19 21:00 – Updated: 2026-08-20 14:03
VLAI
Title
TRENDnet TV-IP751WIC alphapd set_time.cgi stack-based overflow
Summary
A security flaw has been discovered in TRENDnet TV-IP751WIC 11.03.03. Affected by this issue is some unknown functionality of the file /cgi-bin/admin/set_time.cgi of the component alphapd. The manipulation of the argument Currenttime results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may 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 2026-08-20 14:03 UTC
CWE
Assigner
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-2026-76071 (GCVE-0-2026-76071)

Vulnerability from cvelistv5 – Published: 2026-08-24 15:42 – Updated: 2026-08-26 18:25
VLAI
Title
Netis NC63 V3.0.0.3327 Stack Buffer Overflow via destHost Parameter
Summary
Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by supplying an oversized destHost parameter to the ipFilterList=mod action in netis.cgi. Attackers can exploit widthless sscanf conversions that copy user-supplied input into fixed-size stack buffers before authentication is verified, achieving remote code execution as root due to the Boa web server executing the CGI environment with root privileges.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 18:25 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Netis Systems NC63 Affected: 0 , ≤ 3.0.0.3327 (custom)
Create a notification for this product.
Date Public
2026-08-20 00:00
Credits
Özcan Ersan (@ozcanpng)
Show details on NVD website
To clipboard 

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CVE-2026-76070 (GCVE-0-2026-76070)

Vulnerability from cvelistv5 – Published: 2026-08-24 15:41 – Updated: 2026-08-24 18:28
VLAI
Title
Netis NC63 V3.0.0.3327 Stack Buffer Overflow via Login Password Parameter
Summary
Netis NC63 firmware through V3.0.0.3327 contains a stack-based buffer overflow vulnerability that allows unauthenticated remote attackers to overwrite saved stack state by submitting an oversized Base64-encoded password to the login handler in /bin/netis.cgi. Attackers can exploit the custom Base64 decoder's lack of output length validation against the fixed-size stack buffer to achieve remote code execution with root privileges, as the Boa web server executes the CGI environment as root.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-24 18:28 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Netis Systems NC63 Affected: 0 , ≤ 3.0.0.3327 (custom)
Create a notification for this product.
Date Public
2026-08-20 00:00
Credits
Özcan Ersan (@ozcanpng)
Show details on NVD website
To clipboard 

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CVE-2026-76008 (GCVE-0-2026-76008)

Vulnerability from cvelistv5 – Published: 2026-08-19 02:30 – Updated: 2026-08-19 15:47
VLAI
Title
Comfast CF-N1-S URI Parameter Parsing mbox-config get_para_from_uri stack-based overflow
Summary
A flaw has been found in Comfast CF-N1-S 2.6.0.1. This affects the function get_para_from_uri of the file /cgi-bin/mbox-config of the component URI Parameter Parsing. This manipulation of the argument width/height causes stack-based buffer overflow. The attack can be initiated remotely.
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:X
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:X/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:X/RL:X/RC:R
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-19 15:46 UTC
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/391922 vdb-entrytechnical-description
https://vuldb.com/vuln/391922/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-76008 third-party-advisory
https://vuldb.com/submit/878007 third-party-advisory
https://github.com/1ChaoRen1/IOT_3 related
Impacted products
Vendor Product Version
Comfast CF-N1-S Affected: 2.6.0.1
    cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
ChaoRenChaoJiWuDi (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-76004 (GCVE-0-2026-76004)

Vulnerability from cvelistv5 – Published: 2026-08-19 02:15 – Updated: 2026-08-19 13:41
VLAI
Title
UTT HiPER 1250GW HTTP aspApBasicConfigUrcp strcpy stack-based overflow
Summary
A security vulnerability has been detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. Affected by this vulnerability is the function strcpy of the file /goform/aspApBasicConfigUrcp of the component HTTP Handler. The manipulation of the argument pvid leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly 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 13:41 UTC
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/391920 vdb-entrytechnical-description
https://vuldb.com/vuln/391920/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-76004 third-party-advisory
https://vuldb.com/submit/877885 third-party-advisory
https://github.com/7wkajk/CVE-VUL/blob/main/106.md exploit
Impacted products
Vendor Product Version
UTT HiPER 1250GW Affected: 3.2.7-210907-180535
    cpe:2.3:a:utt:hiper_1250gw:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
yecp (VulDB User)
Show details on NVD website
To clipboard 

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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
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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
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
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
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
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
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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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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