CVE-2026-81851

Published Aug 28, 2026 CWE-122 CWE-1284

Description

A heap-based buffer overflow vulnerability in Fireware OS's iked process allows an authenticated administrator to crash the IKE daemon (iked), resulting in a denial of service, by saving a specially crafted configuration.

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Weakness Type (CWE)

CWE-122 CWE-122
CWE-1284 CWE-1284

References

Frequently Asked Questions

What is CVE-2026-81851? +
A heap-based buffer overflow vulnerability in Fireware OS's iked process allows an authenticated administrator to crash the IKE daemon (iked), resulting in a denial of service, by saving a specially crafted configuration.
How do I check if I'm vulnerable to CVE-2026-81851? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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