CVE-2026-43856

CVSS 8.6 (high) · published 2026-10-20

A stack-based buffer overflow vulnerability in the FileProcess::CheckDir function could allow a remote authenticated attacker to achieve arbitrary code execution via a path longer than 1024 bytes.

Weakness: CWE-121

Source: NVD CVE-2026-43856

References

• https://www.advantech.com/en/security-advisory
• https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-149

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