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).

5212 vulnerabilities reference this CWE, most recent first.

CVE-2025-41730 (GCVE-0-2025-41730)

Vulnerability from cvelistv5 – Published: 2025-12-10 11:04 – Updated: 2025-12-18 20:40
VLAI
Title
Stack-based buffer overflow via unsafe sscanf in check_account()
Summary
An unauthenticated remote attacker can abuse unsafe sscanf calls within the check_account() function to write arbitrary data into fixed-size stack buffers which leads to full device compromise.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
WAGO Indsutrial-Managed-Switches Affected: 0.0.0 , < 02.64 (semver)
Create a notification for this product.
Date Public
2025-12-10 10:00
Credits
Daniel Hulliger from The Cyber-Defence Campus of armasuisse S+T
Show details on NVD website
To clipboard 

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CVE-2025-41687 (GCVE-0-2025-41687)

Vulnerability from cvelistv5 – Published: 2025-07-23 08:23 – Updated: 2025-07-23 14:03
VLAI
Title
Weidmueller: Unauthenticated Stack-Based Buffer Overflow in u-link Management API
Summary
An unauthenticated remote attacker may use a stack based buffer overflow in the u-link Management API to gain full access on the affected devices.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Credits
Reid Wightman of Dragos Inc.
Show details on NVD website
To clipboard 

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CVE-2025-41426 (GCVE-0-2025-41426)

Vulnerability from cvelistv5 – Published: 2025-05-21 19:22 – Updated: 2025-05-21 19:50
VLAI
Title
Vertiv Liebert RDU101 and UNITY Stack-based Buffer Overflow
Summary
Affected Vertiv products contain a stack based buffer overflow vulnerability. An attacker could exploit this vulnerability to gain code execution on the device.
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: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Vertiv Liebert RDU101 Affected: 0 , ≤ 1.9.0.0 (custom)
Create a notification for this product.
Vertiv Liebert IS-UNITY Affected: 0 , ≤ 8.4.1.0 (custom)
Create a notification for this product.
Date Public
2025-05-20 16:00
Credits
Vera Mens of Claroty Team82 reported this these vulnerabilities to CISA.
Show details on NVD website
To clipboard 

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CVE-2025-41388 (GCVE-0-2025-41388)

Vulnerability from cvelistv5 – Published: 2025-06-17 20:24 – Updated: 2025-06-18 14:57
VLAI
Title
Fuji Electric Smart Editor Stack-based Buffer Overflow
Summary
Fuji Electric Smart Editor is vulnerable to a stack-based buffer overflow, which may allow an attacker to execute arbitrary code.
Severity
8.4 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/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 (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
Fuji Electric Smart Editor Affected: 0 , ≤ 1.0.1.0 (custom)
Create a notification for this product.
Date Public
2025-06-17 16:00
Credits
kimiya working with Trend Micro Zero Day Initiative reported these vulnerabilities to CISA.
Show details on NVD website
To clipboard 

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CVE-2025-40843 (GCVE-0-2025-40843)

Vulnerability from cvelistv5 – Published: 2025-10-28 18:49 – Updated: 2025-10-28 19:30 X_Open Source
VLAI
Title
Buffer overflow in CodeChecker log command
Summary
CodeChecker is an analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Clang Tidy. CodeChecker versions up to 6.26.1 contain a buffer overflow vulnerability in the internal ldlogger library, which is executed by the CodeChecker log command. This issue affects CodeChecker: through 6.26.1.
Severity
5.9 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack based buffer overflow
Assigner
References
Impacted products
Vendor Product Version
Ericsson CodeChecker Affected: 0 , ≤ 6.26.1 (python)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-40795 (GCVE-0-2025-40795)

Vulnerability from cvelistv5 – Published: 2025-09-09 08:48 – Updated: 2026-06-09 08:46
VLAI
Summary
A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions < V6.0 SP1 Update 1), User Management Component (UMC) (All versions < V2.15.1.3). Affected products contain a stack-based buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to execute arbitrary code or to cause a denial of service condition.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-40741 (GCVE-0-2025-40741)

Vulnerability from cvelistv5 – Published: 2025-07-08 10:35 – Updated: 2025-07-08 20:32
VLAI
Summary
A vulnerability has been identified in Solid Edge SE2025 (All versions < V225.0 Update 5). The affected applications contain a stack based overflow vulnerability while parsing specially crafted CFG files. This could allow an attacker to execute code in the context of the current process.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.3 (High)
CVSS:4.0/AV:L/AC:H/AT:N/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
Siemens Solid Edge SE2025 Affected: 0 , < V225.0 Update 5 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-40634 (GCVE-0-2025-40634)

Vulnerability from cvelistv5 – Published: 2025-05-20 10:12 – Updated: 2025-05-20 13:30
VLAI
Title
Stack-based buffer overflow in TP-Link Archer AX50
Summary
Stack-based buffer overflow vulnerability in the 'conn-indicator' binary running as root on the TP-Link Archer AX50 router, in firmware versions prior to 1.0.15 build 241203 rel61480. This vulnerability allows an attacker to execute arbitrary code on the device over LAN and WAN networks.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:H/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 (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
TP-Link Link Archer AX50 Affected: 0 , < 1.0.15 build 241203 rel61480 (custom)
Create a notification for this product.
Date Public
2025-05-20 10:00
Credits
Víctor Fresco Perales (@hacefresko)
Show details on NVD website
To clipboard 

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CVE-2025-40601 (GCVE-0-2025-40601)

Vulnerability from cvelistv5 – Published: 2025-11-20 12:26 – Updated: 2025-11-20 18:31
VLAI
Summary
A Stack-based buffer overflow vulnerability in the SonicOS SSLVPN service allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
SonicWall SonicOS Affected: 7.3.0-7012 and older versions
Affected: 8.0.2-8011 and older versions
Create a notification for this product.
Date Public
2025-11-20 12:20
Credits
Saikiran Madugula of SonicWall
Show details on NVD website
To clipboard 

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CVE-2025-40596 (GCVE-0-2025-40596)

Vulnerability from cvelistv5 – Published: 2025-07-23 14:46 – Updated: 2026-02-26 17:50
VLAI
Summary
A Stack-based buffer overflow vulnerability in the SMA100 series web interface allows remote, unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution.
Severity
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
SonicWall SMA 100 Series Affected: 10.2.1.15-81sv and earlier versions
Create a notification for this product.
Date Public
2025-07-23 14:39
Credits
Sina Kheirkhah
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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