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).

6101 vulnerabilities reference this CWE, most recent first.

CVE-2026-79911 (GCVE-0-2026-79911)

Vulnerability from cvelistv5 – Published: 2026-08-25 22:15 – Updated: 2026-08-27 14:34
VLAI
Title
TOTOLINK N600R CGI cstecgi.cgi setSystemConfig stack-based overflow
Summary
A security vulnerability has been detected in TOTOLINK N600R 4.3.0cu.7647_B20210106. The affected element is the function setSystemConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument Hostname leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly 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 2026-08-27 13:31 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3949 records in the last 180 days details
References
Impacted products
Vendor Product Version
TOTOLINK N600R Affected: 4.3.0cu.7647_B20210106
    cpe:2.3:o:totolink:n600r_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
ST4R0002 (VulDB User)
Show details on NVD website
To clipboard 

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CVE-2026-79840 (GCVE-0-2026-79840)

Vulnerability from cvelistv5 – Published: 2026-10-15 14:36 – Updated: 2026-10-15 18:08
VLAI
Title
HPE NonStop XABroker - Memory corruption vulnerability
Summary
A buffer overflow vulnerability in HPE NonStop XABroker may cause memory corruption, resulting in application crash.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 18:08 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
hpe CNA under the mitre root
CNA scorecard D 57/100 over 288 records in the last 180 days details
References
Impacted products
Date Public
2026-10-15 14:34
Show details on NVD website
To clipboard 

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CVE-2026-79839 (GCVE-0-2026-79839)

Vulnerability from cvelistv5 – Published: 2026-10-15 14:32 – Updated: 2026-10-15 18:09
VLAI
Title
HPE NonStop ODBC/MX Server - Memory corruption vulnerability
Summary
A buffer overflow vulnerability in HPE NonStop ODBC/MX Server may cause memory corruption, resulting in application crash.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 18:09 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
hpe CNA under the mitre root
CNA scorecard D 57/100 over 288 records in the last 180 days details
References
Impacted products
Date Public
2026-10-15 14:29
Show details on NVD website
To clipboard 

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CVE-2026-79838 (GCVE-0-2026-79838)

Vulnerability from cvelistv5 – Published: 2026-10-15 14:24 – Updated: 2026-10-15 18:10
VLAI
Title
HPE NonStop ODBC/MX Services - Memory corruption vulnerability
Summary
A buffer overflow vulnerability in HPE NonStop ODBC/MX Services may cause memory corruption, resulting in application crash.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 18:10 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
hpe CNA under the mitre root
CNA scorecard D 57/100 over 288 records in the last 180 days details
References
Impacted products
Date Public
2026-10-15 14:19
Show details on NVD website
To clipboard 

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CVE-2026-79832 (GCVE-0-2026-79832)

Vulnerability from cvelistv5 – Published: 2026-10-15 10:57 – Updated: 2026-10-15 13:17
VLAI
Title
HPE NonStop SQL/MX Executor - Buffer overflow vulnerability
Summary
A stack buffer overflow vulnerability in HPE NonStop SQL/MX Executor may potentially result in information disclosure or process crash.
Severity
7.6 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 13:17 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
hpe CNA under the mitre root
CNA scorecard D 57/100 over 288 records in the last 180 days details
References
Impacted products
Date Public
2026-10-15 10:53
Show details on NVD website
To clipboard 

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CVE-2026-79830 (GCVE-0-2026-79830)

Vulnerability from cvelistv5 – Published: 2026-10-15 10:16 – Updated: 2026-10-15 13:16
VLAI
Title
HPE NonStop Kernel Level Thread Model Lib - Stack buffer overflow vulnerability
Summary
A vulnerability in HPE NonStop Kernel Level Thread Model Lib can cause stack buffer overflow which can allow arbitrary code execution.
Severity
6.6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 13:16 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
hpe CNA under the mitre root
CNA scorecard D 57/100 over 288 records in the last 180 days details
References
Impacted products
Date Public
2026-10-15 10:14
Show details on NVD website
To clipboard 

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CVE-2026-79823 (GCVE-0-2026-79823)

Vulnerability from cvelistv5 – Published: 2026-10-15 09:01 – Updated: 2026-10-15 13:46
VLAI
Title
HPE NonStop EMS Distributor - Buffer Overflow vulnerability
Summary
HPE NonStop EMS Distributor is vulnerable to buffer overflow condition that may result in undesirable behavior.
Severity
4 (Medium)
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 13:46 UTC
CWE
  • CWE-121 - Stack-based buffer overflow
Assigner
hpe CNA under the mitre root
CNA scorecard D 57/100 over 288 records in the last 180 days details
References
Impacted products
Date Public
2026-10-15 08:57
Show details on NVD website
To clipboard 

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CVE-2026-78504 (GCVE-0-2026-78504)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:13 – Updated: 2026-10-14 23:09
VLAI
Title
Microsoft Office Word Remote Code Execution Vulnerability
Summary
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:22 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3949 records in the last 180 days details
References
Impacted products
Date Public
2026-09-08 14:00
Show details on NVD website
To clipboard 

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CVE-2026-78439 (GCVE-0-2026-78439)

Vulnerability from cvelistv5 – Published: 2026-09-08 17:13 – Updated: 2026-10-14 23:08
VLAI
Title
Microsoft Office Graphics Component Remote Code Execution Vulnerability
Summary
Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:21 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3949 records in the last 180 days details
References
Impacted products
Date Public
2026-09-08 14:00
Show details on NVD website
To clipboard 

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CVE-2026-78169 (GCVE-0-2026-78169)

Vulnerability from cvelistv5 – Published: 2026-08-24 01:45 – Updated: 2026-08-24 13:54
VLAI
Title
UTT HiPER 1250GW HTTP Request aspRemoteApConfTempSend strcpy stack-based overflow
Summary
A vulnerability was detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. This impacts the function strcpy of the file /goform/aspRemoteApConfTempSend of the component HTTP Request Handler. Performing a manipulation of the argument Profile 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
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 2026-08-24 13:54 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3949 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/394558 vdb-entrytechnical-description
https://vuldb.com/vuln/394558/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78169 third-party-advisory
https://vuldb.com/submit/883900 third-party-advisory
https://github.com/7wkajk/CVE-VUL/blob/main/107.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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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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