A stack-based buffer overflow vulnerability in the log message functionality could allow an unauthenticated attacker to achieve code execution.

Metrics

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Advantech
  • Adam-3600

No data.

No data.

References
Link Providers
https://github.com/CVEProject/cvelistV5/blob/8846a06bd73fefb0d7b7e205f1e21f97d0b9cbe2/cves/2026/43xxx/CVE-2026-43831.json cve-icon
https://www.advantech.com/en/security-advisory cve-icon cve-icon
https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149 cve-icon cve-icon
History

Fri, 23 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
Title Potential High‑Severity Stack‑Based Buffer Overflow Vulnerability (CWE‑121)

Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Description Full details and mitigation steps are currently restricted and will be published at a later date. A stack-based buffer overflow vulnerability in the log message functionality could allow an unauthenticated attacker to achieve code execution.
Title tbc Potential High‑Severity Stack‑Based Buffer Overflow Vulnerability (CWE‑121)
References
Metrics cvssV4_0

{'score': 9.2, 'vector': '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'}

Fri, 11 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
References

Sun, 02 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
First Time appeared Advantech
Advantech adam-3600
Vendors & Products Advantech
Advantech adam-3600

Fri, 31 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-121
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 31 Jul 2026 06:30:00 +0000

Type Values Removed Values Added
Description Successful exploitation of the vulnerability could allow an unauthenticated attacker to exploit a stack-based buffer overflow in the log message functionality to conduct code execution. Full details and mitigation steps are currently restricted and will be published at a later date.
Title Stack-based Buffer Overflow tbc
References
Metrics cvssV4_0

{'score': 9.2, 'vector': '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'}

Fri, 31 Jul 2026 04:15:00 +0000

Type Values Removed Values Added
Description Successful exploitation of the vulnerability could allow an unauthenticated attacker to exploit a stack-based buffer overflow in the log message functionality to conduct code execution.
Title Stack-based Buffer Overflow
References
Metrics cvssV4_0

{'score': 9.2, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: CSA

Published: 2026-07-31T02:57:11.653Z

Updated: 2026-10-20T07:50:04.010Z

Reserved: 2026-05-04T03:13:26.241Z

Link: CVE-2026-43831

cve-icon Vulnrichment

Updated: 2026-09-11T13:08:20.071Z

cve-icon NVD

Status : Deferred

Published: 2026-07-31T04:17:21.963

Modified: 2026-10-20T08:16:43.620

Link: CVE-2026-43831

cve-icon Redhat

No data.