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).

5220 vulnerabilities reference this CWE, most recent first.

CVE-2025-11785 (GCVE-0-2025-11785)

Vulnerability from cvelistv5 – Published: 2025-12-02 13:01 – Updated: 2025-12-02 13:37 Unsupported When Assigned
VLAI
Title
Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50
Summary
Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'ShowMeterPasswords()' function, there is an unlimited user input that is copied to a fixed-size buffer via 'sprintf()'. The 'GetParameter(meter)' function retrieves the user input, which is directly incorporated into a buffer without size validation. An attacker can provide an excessively large input for the 'meter' parameter.
Severity
8.5 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Date Public
2025-10-28 11:00
Credits
Gabriel Gonzalez and Sergio Ruiz
Show details on NVD website
To clipboard 

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CVE-2025-11784 (GCVE-0-2025-11784)

Vulnerability from cvelistv5 – Published: 2025-12-02 13:01 – Updated: 2025-12-02 13:59 Unsupported When Assigned
VLAI
Title
Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50
Summary
Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. In the 'ShowMeterDatabase()' function, there is an unlimited user input that is copied to a fixed-size buffer via 'sprintf()'. The 'GetParameter(meter)' function retrieves the user input, which is directly incorporated into a buffer without size validation. An attacker can provide an excessively large input for the 'meter' parameter.
Severity
8.5 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Date Public
2025-10-28 11:00
Credits
Gabriel Gonzalez and Sergio Ruiz
Show details on NVD website
To clipboard 

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CVE-2025-11783 (GCVE-0-2025-11783)

Vulnerability from cvelistv5 – Published: 2025-12-02 13:01 – Updated: 2025-12-02 14:00 Unsupported When Assigned
VLAI
Title
Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50
Summary
Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The vulnerability is found in the 'AddEvent()' function when copying the user-controlled username input to a fixed-size buffer (48 bytes) without boundary checking. This can lead to memory corruption, resulting in possible remote code execution.
Severity
8.5 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Date Public
2025-10-28 11:00
Credits
Gabriel Gonzalez and Sergio Ruiz
Show details on NVD website
To clipboard 

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CVE-2025-11782 (GCVE-0-2025-11782)

Vulnerability from cvelistv5 – Published: 2025-12-02 13:00 – Updated: 2025-12-02 14:37 Unsupported When Assigned
VLAI
Title
Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50
Summary
Stack-based buffer overflow vulnerability in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The 'ShowDownload()' function uses “sprintf()” to format a string that includes the user-controlled input of 'GetParameter(meter)' in the fixed-size buffer 'acStack_4c' (64 bytes) without checking the length. An attacker can provide an excessively long value for the 'meter' parameter that exceeds the 64-byte buffer size.
Severity
8.5 (High)
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Date Public
2025-10-28 11:00
Credits
Gabriel Gonzalez and Sergio Ruiz
Show details on NVD website
To clipboard 

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CVE-2025-11779 (GCVE-0-2025-11779)

Vulnerability from cvelistv5 – Published: 2025-12-02 12:57 – Updated: 2025-12-02 13:44 Unsupported When Assigned
VLAI
Title
Stack-based buffer overflow vulnreability in Circutor SGE-PLC1000/SGE-PLC50
Summary
Stack-based buffer overflow vulnerability in CircutorSGE-PLC1000/SGE-PLC50 v9.0.2. The 'SetLan' function is invoked when a new configuration is applied. This new configuration function is activated by a management web request, which can be invoked by a user when making changes to the 'index.cgi' web application. The parameters are not being sanitised, which could lead to command injection.
Severity
9.4 (Critical)
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Date Public
2025-10-28 11:00
Credits
Gabriel Gonzalez and Sergio Ruiz
Show details on NVD website
To clipboard 

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CVE-2025-11678 (GCVE-0-2025-11678)

Vulnerability from cvelistv5 – Published: 2025-10-20 13:51 – Updated: 2025-10-20 14:00
VLAI
Title
Stack-based Buffer Overflow in libwebsockets DNS response parsing
Summary
Stack-based Buffer Overflow in lws_adns_parse_label in warmcat libwebsockets allows, when the LWS_WITH_SYS_ASYNC_DNS flag is enabled during compilation, to overflow the label_stack, when the attacker is able to sniff a DNS request in order to craft a response with a matching id containing a label longer than the maximum.
Severity
7.5 (High)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
warmcat libwebsocket Affected: 4.0 , ≤ 4.4.2 (semver)
Affected: 4.0 , ≤ 4.3.6 (semver)
Create a notification for this product.
Credits
Raffaele Bova at Nozomi Networks
Show details on NVD website
To clipboard 

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CVE-2025-11586 (GCVE-0-2025-11586)

Vulnerability from cvelistv5 – Published: 2025-10-10 21:02 – Updated: 2026-02-24 06:57
VLAI
Title
Tenda AC7 setNotUpgrade stack-based overflow
Summary
A vulnerability was determined in Tenda AC7 15.03.06.44. This affects an unknown function of the file /goform/setNotUpgrade. This manipulation of the argument newVersion 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: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Tenda AC7 Affected: 15.03.06.44
    cpe:2.3:o:tenda:ac7_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
wxhwxhwxh_mie (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2025-11549 (GCVE-0-2025-11549)

Vulnerability from cvelistv5 – Published: 2025-10-09 17:02 – Updated: 2026-02-24 06:55
VLAI
Title
Tenda W12 HTTP Request modules wifiMacFilterSet stack-based overflow
Summary
A vulnerability has been found in Tenda W12 3.0.0.6(3948). The affected element is the function wifiMacFilterSet of the file /goform/modules of the component HTTP Request Handler. The manipulation of the argument mac leads to stack-based buffer overflow. The attack is possible to be carried out remotely. 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 (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/?id.327708 vdb-entrytechnical-description
https://vuldb.com/?ctiid.327708 signaturepermissions-required
https://vuldb.com/?submit.670110 third-party-advisory
https://github.com/z472421519/BinaryAudit/blob/ma… exploit
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version
Tenda W12 Affected: 3.0.0.6(3948)
    cpe:2.3:o:tenda:w12_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
z472421519 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2025-11542 (GCVE-0-2025-11542)

Vulnerability from cvelistv5 – Published: 2025-12-22 05:09 – Updated: 2025-12-22 14:34 Unsupported When Assigned
VLAI
Summary
Stack-based Buffer Overflow vulnerability in Sharp Display Solutions projectors allows a attacker may execute arbitrary commands and programs.
Severity
8.4 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
NEC
References
Impacted products
Credits
Sebastian Pahl of University Luxembourg
Show details on NVD website
To clipboard 

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CVE-2025-11541 (GCVE-0-2025-11541)

Vulnerability from cvelistv5 – Published: 2025-12-22 05:09 – Updated: 2025-12-22 14:39 Unsupported When Assigned
VLAI
Summary
Stack-based Buffer Overflow vulnerability in Sharp Display Solutions projectors allows a attacker may execute arbitrary commands and programs.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
NEC
References
Impacted products
Credits
Sebastian Pahl of University Luxembourg
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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