GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration
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).

5515 vulnerabilities reference this CWE, most recent first.

CVE-2026-5211 (GCVE-0-2026-5211)

Vulnerability from cvelistv5 – Published: 2026-03-31 19:30 – Updated: 2026-04-01 12:32
VLAI
Title
D-Link DNS-1550-04 app_mgr.cgi UPnP_AV_Server_Path_Del stack-based overflow
Summary
A flaw has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This vulnerability affects the function UPnP_AV_Server_Path_Del of the file /cgi-bin/app_mgr.cgi. Executing a manipulation of the argument f_dir can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-01 12:28 UTC
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/354347 vdb-entrytechnical-description
https://vuldb.com/vuln/354347/cti signaturepermissions-required
https://vuldb.com/submit/780434 third-party-advisory
https://github.com/wudipjq/my_vuln/blob/main/D-Li… exploit
https://www.dlink.com/ product
Impacted products
Vendor Product Version
D-Link DNS-120 Affected: 20260205
Create a notification for this product.
D-Link DNR-202L Affected: 20260205
Create a notification for this product.
D-Link DNS-315L Affected: 20260205
Create a notification for this product.
D-Link DNS-320 Affected: 20260205
Create a notification for this product.
D-Link DNS-320L Affected: 20260205
Create a notification for this product.
D-Link DNS-320LW Affected: 20260205
Create a notification for this product.
D-Link DNS-321 Affected: 20260205
Create a notification for this product.
D-Link DNR-322L Affected: 20260205
Create a notification for this product.
D-Link DNS-323 Affected: 20260205
Create a notification for this product.
D-Link DNS-325 Affected: 20260205
Create a notification for this product.
D-Link DNS-326 Affected: 20260205
Create a notification for this product.
D-Link DNS-327L Affected: 20260205
Create a notification for this product.
D-Link DNR-326 Affected: 20260205
Create a notification for this product.
D-Link DNS-340L Affected: 20260205
Create a notification for this product.
D-Link DNS-343 Affected: 20260205
Create a notification for this product.
D-Link DNS-345 Affected: 20260205
Create a notification for this product.
D-Link DNS-726-4 Affected: 20260205
Create a notification for this product.
D-Link DNS-1100-4 Affected: 20260205
Create a notification for this product.
D-Link DNS-1200-05 Affected: 20260205
Create a notification for this product.
D-Link DNS-1550-04 Affected: 20260205
Create a notification for this product.
Credits
Ziyue Xie (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5204 (GCVE-0-2026-5204)

Vulnerability from cvelistv5 – Published: 2026-03-31 15:45 – Updated: 2026-03-31 16:02
VLAI
Title
Tenda CH22 Parameter webtypelibrary formWebTypeLibrary stack-based overflow
Summary
A vulnerability was determined in Tenda CH22 1.0.0.1. Affected is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component Parameter Handler. This manipulation of the argument webSiteId causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 2026-03-31 16:02 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Tenda CH22 Affected: 1.0.0.1
    cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
LtzHust2 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5156 (GCVE-0-2026-5156)

Vulnerability from cvelistv5 – Published: 2026-03-30 23:30 – Updated: 2026-03-31 14:04
VLAI
Title
Tenda CH22 Parameter QuickIndex formQuickIndex stack-based overflow
Summary
A vulnerability was determined in Tenda CH22 1.0.0.1. This impacts the function formQuickIndex of the file /goform/QuickIndex of the component Parameter Handler. This manipulation of the argument mit_linktype causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 2026-03-31 14:04 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Tenda CH22 Affected: 1.0.0.1
    cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
LtzHust2 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5155 (GCVE-0-2026-5155)

Vulnerability from cvelistv5 – Published: 2026-03-30 22:30 – Updated: 2026-04-02 14:14
VLAI
Title
Tenda CH22 Parameter AdvSetWan fromAdvSetWan stack-based overflow
Summary
A vulnerability was found in Tenda CH22 1.0.0.1. This affects the function fromAdvSetWan of the file /goform/AdvSetWan of the component Parameter Handler. The manipulation of the argument wanmode results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 2026-04-02 14:14 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Tenda CH22 Affected: 1.0.0.1
    cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
LtzHust2 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5154 (GCVE-0-2026-5154)

Vulnerability from cvelistv5 – Published: 2026-03-30 22:30 – Updated: 2026-03-31 13:32
VLAI
Title
Tenda CH22 Parameter setcfm fromSetCfm stack-based overflow
Summary
A vulnerability has been found in Tenda CH22 1.0.0.1/1.If. The impacted element is the function fromSetCfm of the file /goform/setcfm of the component Parameter Handler. The manipulation of the argument funcname leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 2026-03-31 13:31 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Tenda CH22 Affected: 1.0.0.1
Affected: 1.If
    cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
LtzHust2 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5152 (GCVE-0-2026-5152)

Vulnerability from cvelistv5 – Published: 2026-03-30 20:30 – Updated: 2026-03-31 18:05
VLAI
Title
Tenda CH22 createFileName formCreateFileName stack-based overflow
Summary
A vulnerability was detected in Tenda CH22 1.0.0.1. Impacted is the function formCreateFileName of the file /goform/createFileName. Performing a manipulation of the argument fileNameMit results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 2026-03-31 16:14 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Tenda CH22 Affected: 1.0.0.1
    cpe:2.3:o:tenda:ch22_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
LtzHuster (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5056 (GCVE-0-2026-5056)

Vulnerability from cvelistv5 – Published: 2026-07-29 19:10 – Updated: 2026-07-30 03:55
VLAI
Title
GStreamer qtdemux Stack-based Buffer Overflow Remote Code Execution Vulnerability
Summary
GStreamer qtdemux Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the parsing of UncompressedFrameConfigBox structures. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29392.
Severity
7.8 (High)
CVSS:3.0/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 2026-07-29 00:00 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
GStreamer GStreamer Affected: a303670510771b993867ddf62bff3bce0cb988c3
Create a notification for this product.
Date Public
2026-04-15 21:49
Show details on NVD website
To clipboard 

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CVE-2026-5046 (GCVE-0-2026-5046)

Vulnerability from cvelistv5 – Published: 2026-03-29 14:15 – Updated: 2026-03-30 14:10
VLAI
Title
Tenda FH1201 Parameter WrlExtraSet formWrlExtraSet stack-based overflow
Summary
A flaw has been found in Tenda FH1201 1.2.0.14(408). Affected is the function formWrlExtraSet of the file /goform/WrlExtraSet of the component Parameter Handler. Executing a manipulation of the argument GO can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 2026-03-30 14:10 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Tenda FH1201 Affected: 1.2.0.14(408)
    cpe:2.3:o:tenda:fh1201_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
LtzHuster2 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5045 (GCVE-0-2026-5045)

Vulnerability from cvelistv5 – Published: 2026-03-29 13:15 – Updated: 2026-04-01 15:35
VLAI
Title
Tenda FH1201 Parameter WrlclientSet stack-based overflow
Summary
A vulnerability was detected in Tenda FH1201 1.2.0.14(408). This impacts the function WrlclientSet of the file /goform/WrlclientSet of the component Parameter Handler. Performing a manipulation of the argument GO results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 2026-04-01 15:34 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Tenda FH1201 Affected: 1.2.0.14(408)
    cpe:2.3:o:tenda:fh1201_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
LtzHuster2 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-5044 (GCVE-0-2026-5044)

Vulnerability from cvelistv5 – Published: 2026-03-29 12:15 – Updated: 2026-03-30 11:48
VLAI
Title
Belkin F9K1122 Setting formSetSystemSettings stack-based overflow
Summary
A security vulnerability has been detected in Belkin F9K1122 1.00.33. This affects the function formSetSystemSettings of the file /goform/formSetSystemSettings of the component Setting Handler. Such manipulation of the argument webpage leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
8.8 (High)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/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 2026-03-30 11:48 UTC
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/353967 vdb-entrytechnical-description
https://vuldb.com/vuln/353967/cti signaturepermissions-required
https://vuldb.com/submit/779125 third-party-advisory
https://github.com/Litengzheng/vul_db/blob/main/B… exploit
Impacted products
Vendor Product Version
Belkin F9K1122 Affected: 1.00.33
    cpe:2.3:o:belkin:f9k1122_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
LtzHuster2 (VulDB User) VulDB
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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