CVE-2026-81433
CVE-2026-81433: 1 tracked advisory record across WatchGuard. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
WatchGuard
1 advisory- Advisory severityHigh8.7
High [CVE-2026-81433] stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting daemon (fingerd) allows an unauthenticated attacker with adjacent network access to execute arbitrary code or crash the process by sending a specially crafted DHCP packet
CVE-2026-81433Source published Source updated
A stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting daemon (fingerd) allows an unauthenticated attacker with adjacent network access to execute arbitrary code or crash the process by sending a specially crafted DHCP packet.
- Affected products in this advisory
- Fireware OS
- Source-reported affected versions
- Fireware OS 2026.3 before 2026.3.2
- Fireware OS 2025.0 before 2026.2.3
- Fireware OS 12.0 before 12.12.3
- Source-reported fixed versions
- 2026.3.2
- 2026.2.3
- 12.12.3
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
Android app · Google Play
Monitor future WatchGuard CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.