CVE-2026-78009

HighCVSS 8.7/10Last modified Sep 3, 2026

Description

An out-of-bounds read 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.

Metrics

CVSS 4.0 8.7/10CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-20CWE-125

Affected software

No affected versions have been published.

Timeline

Published
Aug 28, 2026
Last modified
Sep 3, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-780108.7A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process iallows a remote unauthenticated attacker to create aCVE-2026-780118.7An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial ofCVE-2026-780129.8An issue in the NetStaX EtherNet/IP Stack prior to v5.6.1 could allow a large Class 3 explicit-message request to exceed the application-sidCVE-2026-780136.3Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Initialization of a Resource with an Insecure DeCVE-2026-780155.3Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Use of Less Trusted Source vulnerability. An unaCVE-2026-780164.3Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Improper Validation of Specified Type of Input vCVE-2026-780173.8Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Improper Check for Unusual or Exceptional ConditCVE-2026-780187.1Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Initialization of a Resource with an Insecure DeCVE-2026-780198.8Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Inclusion of Functionality from Untrusted ControCVE-2026-78028.8The Frontend Admin by DynamiApps plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.29.2. ThCVE-2026-780208.8Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Improper Certificate Validation vulnerability. ACVE-2026-780215.3Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains a Generation of Error Message Containing Sensitive
CVE-2026-78009: High severity, CVSS 8.7 | Vulnix