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).

6125 vulnerabilities reference this CWE, most recent first.

CVE-2026-2909 (GCVE-0-2026-2909)

Vulnerability from cvelistv5 – Published: 2026-02-22 02:02 – Updated: 2026-02-23 19:18
VLAI
Title
Tenda HG9 Diagnostic Ping Endpoint formPing stack-based overflow
Summary
A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr 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: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-23 19:18 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3867 records in the last 180 days details
References
URL Tags
https://vuldb.com/?id.347218 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347218 signaturepermissions-required
https://vuldb.com/?submit.755211 third-party-advisory
https://github.com/QIU-DIE/cve-nneeww/issues/11 exploitissue-tracking
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda HG9 Affected: 300001138
Create a notification for this product.
Credits
LINXI666 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-2908 (GCVE-0-2026-2908)

Vulnerability from cvelistv5 – Published: 2026-02-22 02:02 – Updated: 2026-02-23 19:19
VLAI
Title
Tenda HG9 Loopback Detection Configuration Endpoint formLoopBack stack-based overflow
Summary
A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly 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: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-23 19:19 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3867 records in the last 180 days details
References
URL Tags
https://vuldb.com/?id.347217 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347217 signaturepermissions-required
https://vuldb.com/?submit.755202 third-party-advisory
https://github.com/QIU-DIE/cve-nneeww/issues/10 exploitissue-tracking
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda HG9 Affected: 300001138
Create a notification for this product.
Credits
LINXI666 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-2907 (GCVE-0-2026-2907)

Vulnerability from cvelistv5 – Published: 2026-02-22 01:32 – Updated: 2026-02-23 19:23
VLAI
Title
Tenda HG9 GPON Configuration Endpoint formgponConf stack-based overflow
Summary
A weakness has been identified in Tenda HG9 300001138. Affected by this vulnerability is an unknown functionality of the file /boaform/formgponConf of the component GPON Configuration Endpoint. This manipulation of the argument fmgpon_loid/fmgpon_loid_password causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.
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 2026-02-23 19:22 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3867 records in the last 180 days details
References
URL Tags
https://vuldb.com/?id.347216 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347216 signaturepermissions-required
https://vuldb.com/?submit.755201 third-party-advisory
https://github.com/QIU-DIE/cve-nneeww/issues/9 exploitissue-tracking
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda HG9 Affected: 300001138
Create a notification for this product.
Credits
LINXI666 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-2906 (GCVE-0-2026-2906)

Vulnerability from cvelistv5 – Published: 2026-02-22 01:32 – Updated: 2026-02-24 15:38
VLAI
Title
Tenda HG9 Samba Configuration Endpoint formSamba stack-based overflow
Summary
A security flaw has been discovered in Tenda HG9 300001138. Affected is an unknown function of the file /boaform/formSamba of the component Samba Configuration Endpoint. The manipulation of the argument sambaCap results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.
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 2026-02-24 15:38 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3867 records in the last 180 days details
References
URL Tags
https://vuldb.com/?id.347215 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347215 signaturepermissions-required
https://vuldb.com/?submit.755193 third-party-advisory
https://github.com/QIU-DIE/cve-nneeww/issues/8 exploitissue-tracking
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda HG9 Affected: 300001138
Create a notification for this product.
Credits
LINXI666 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-2905 (GCVE-0-2026-2905)

Vulnerability from cvelistv5 – Published: 2026-02-22 01:02 – Updated: 2026-02-23 19:13
VLAI
Title
Tenda HG9 Wireless Configuration Endpoint formWlanSetup stack-based overflow
Summary
A vulnerability was identified in Tenda HG9 300001138. This impacts an unknown function of the file /boaform/formWlanSetup of the component Wireless Configuration Endpoint. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit is publicly available and might 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 2026-02-23 19:13 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3867 records in the last 180 days details
References
URL Tags
https://vuldb.com/?id.347214 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347214 signaturepermissions-required
https://vuldb.com/?submit.755167 third-party-advisory
https://github.com/QIU-DIE/cve-nneeww/issues/7 exploitissue-tracking
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda HG9 Affected: 300001138
Create a notification for this product.
Credits
LINXI666 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-2886 (GCVE-0-2026-2886)

Vulnerability from cvelistv5 – Published: 2026-02-21 21:02 – Updated: 2026-02-23 19:31
VLAI
Title
Tenda A21 SetOnlineDevName set_device_name stack-based overflow
Summary
A weakness has been identified in Tenda A21 1.0.0.0. This affects the function set_device_name of the file /goform/SetOnlineDevName. This manipulation of the argument devName causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.
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 2026-02-23 19:31 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3867 records in the last 180 days details
References
URL Tags
https://vuldb.com/?id.347180 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347180 signaturepermissions-required
https://vuldb.com/?submit.754640 third-party-advisory
https://github.com/QIU-DIE/cve-nneeww/issues/6 exploitissue-tracking
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda A21 Affected: 1.0.0.0
Create a notification for this product.
Credits
hhsw34 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-2885 (GCVE-0-2026-2885)

Vulnerability from cvelistv5 – Published: 2026-02-21 20:32 – Updated: 2026-02-23 19:32
VLAI
Title
D-Link DWR-M960 formIpv6Setup sub_469104 stack-based overflow
Summary
A security flaw has been discovered in D-Link DWR-M960 1.01.07. The impacted element is the function sub_469104 of the file /boafrm/formIpv6Setup. The manipulation of the argument submit-url results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.
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 2026-02-23 19:31 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3867 records in the last 180 days details
References
URL Tags
https://vuldb.com/?id.347179 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347179 signaturepermissions-required
https://vuldb.com/?submit.754496 third-party-advisory
https://github.com/LX-66-LX/cve-new/issues/19 exploitissue-tracking
https://www.dlink.com/ product
Impacted products
Vendor Product Version
D-Link DWR-M960 Affected: 1.01.07
Create a notification for this product.
Credits
LX-66-LX (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-2884 (GCVE-0-2026-2884)

Vulnerability from cvelistv5 – Published: 2026-02-21 20:32 – Updated: 2026-02-23 19:32
VLAI
Title
D-Link DWR-M960 WAN Interface Setting formWanConfigSetup sub_41914C stack-based overflow
Summary
A vulnerability was identified in D-Link DWR-M960 1.01.07. The affected element is the function sub_41914C of the file /boafrm/formWanConfigSetup of the component WAN Interface Setting Handler. The manipulation of the argument submit-url leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might 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: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-23 19:32 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3867 records in the last 180 days details
References
URL Tags
https://vuldb.com/?id.347178 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347178 signaturepermissions-required
https://vuldb.com/?submit.754493 third-party-advisory
https://github.com/LX-66-LX/cve-new/issues/18 exploitissue-tracking
https://www.dlink.com/ product
Impacted products
Vendor Product Version
D-Link DWR-M960 Affected: 1.01.07
Create a notification for this product.
Credits
LX-66-LX (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-2883 (GCVE-0-2026-2883)

Vulnerability from cvelistv5 – Published: 2026-02-21 20:02 – Updated: 2026-02-23 19:40
VLAI
Title
D-Link DWR-M960 formIpQoS sub_427D74 stack-based overflow
Summary
A vulnerability was determined in D-Link DWR-M960 1.01.07. Impacted is the function sub_427D74 of the file /boafrm/formIpQoS. Executing a manipulation of the argument submit-url can lead to stack-based buffer overflow. The attack can be executed 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 2026-02-23 19:40 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3867 records in the last 180 days details
References
URL Tags
https://vuldb.com/?id.347177 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347177 signaturepermissions-required
https://vuldb.com/?submit.754490 third-party-advisory
https://github.com/LX-66-LX/cve-new/issues/17 exploitissue-tracking
https://www.dlink.com/ product
Impacted products
Vendor Product Version
D-Link DWR-M960 Affected: 1.01.07
Create a notification for this product.
Credits
LX-66-LX (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-2882 (GCVE-0-2026-2882)

Vulnerability from cvelistv5 – Published: 2026-02-21 20:02 – Updated: 2026-02-23 19:39
VLAI
Title
D-Link DWR-M960 formDosCfg sub_46385C stack-based overflow
Summary
A vulnerability was found in D-Link DWR-M960 1.01.07. This issue affects the function sub_46385C of the file /boafrm/formDosCfg. Performing a manipulation of the argument submit-url results in stack-based buffer overflow. Remote exploitation of the attack is possible. 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 2026-02-23 19:39 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3867 records in the last 180 days details
References
URL Tags
https://vuldb.com/?id.347176 vdb-entrytechnical-description
https://vuldb.com/?ctiid.347176 signaturepermissions-required
https://vuldb.com/?submit.754487 third-party-advisory
https://github.com/LX-66-LX/cve-new/issues/16 exploitissue-tracking
https://www.dlink.com/ product
Impacted products
Vendor Product Version
D-Link DWR-M960 Affected: 1.01.07
Create a notification for this product.
Credits
LX-66-LX (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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