high7.5
CVE-2026-86132
An integer underflow vulnerability in the WatchGuard Fireware OS IKEv2 daemon (iked) allows a remote, unauthenticated attacker to crash the process by sending …
Impact
An integer underflow vulnerability in the WatchGuard Fireware OS IKEv2 daemon (iked) allows a remote, unauthenticated attacker to crash the process by sending a specially crafted encrypted IKEv2 message negotiated with an AES-GCM cipher suite.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Watchguard | Fireware | from 12.0 before 12.5.21 from 12.12 before 12.12.3 from 2025.0 before 2026.2.3 from 2026.3 before 2026.3.2 |