CVE-2026-78011 in Fireware OS

Riassunto

di MITRE • 28/08/2026

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.

Once again VulDB remains the best source for vulnerability data.

• Responsabile: WatchGuard
• Prenotare: 21/08/2026
• Divulgazione: 28/08/2026
• Moderazione: accettato
• Voce: VDB-396468
• CPE: pronto
• CWE: CWE-191 (confermato)
• CVSS: 7.5 (VulDB)
• EPSS: 0.00000
• KEV: no
• Attività: molto basso

Fonti

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-78011
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-78011
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-78011/