CVE-2026-112709

Published Oct 27, 2026 CWE-122 CWE-131 CWE-787

Description

A heap-based buffer overflow vulnerability in the Fireware OS authentication service allows an attacker who controls or intercepts traffic to the configured Active Directory server to create a denial of service condition and potentially execute arbitrary code by returning a specially crafted response.

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Weakness Type (CWE)

CWE-122 CWE-122
CWE-131 CWE-131
CWE-787 Out-of-bounds Write

References

Frequently Asked Questions

What is CVE-2026-112709? +
A heap-based buffer overflow vulnerability in the Fireware OS authentication service allows an attacker who controls or intercepts traffic to the configured Active Directory server to create a denial of service condition and potentially execute arbitrary code by returning a specially crafted response.
How do I check if I'm vulnerable to CVE-2026-112709? +
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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