CRITICAL 9.2 NVD

CVE-2026-93857

A stack-based buffer overflow vulnerability in Fireware OS's SIP proxy allows a remote, unauthenticated attacker to execute arbitrary code by sending a speciall

A stack-based buffer overflow vulnerability in Fireware OS's SIP proxy allows a remote, unauthenticated attacker to execute arbitrary code by sending a specially crafted request through a policy that uses the SIP proxy.

References

https://psirt.watchguard.com/CVE-2026-93857

Published: 2026-10-27 · Source: NVD · Feed updated: 2026-10-27

This critical severity vulnerability with a CVSS score of 9.2 was published on 2026-10-27 via NVD.

Risk Timeline

CVE Disclosed2026-10-27 · -1 days ago

Remediation Resources

Official Advisory

psirt.watchguard.com/CVE-2026-93857

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