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CVE-2026-78010highCWE-121CWE-1284CWE-787

Fireware OS Stack-Based Buffer Overflow in iked Allows Unauthenticated Denial of Service

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7epss 0.3%
exploitation probability
0.3%top 74% of all CVEs
observed exploitation
nono source reports it
A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process iallows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
WatchGuard · Fireware OS