CVE-2026-78011

Vulnerability Description

An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.

Related Weaknesses (CWE)

CWE-191 CWE-787

References

https://psirt.watchguard.com/CVE-2026-78011

FAQ

What is CVE-2026-78011?

CVE-2026-78011 is a documented vulnerability. An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specia...

How severe is CVE-2026-78011?

CVSS scoring is not yet available for CVE-2026-78011. Check NVD for updates.

Is there a patch for CVE-2026-78011?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.