CVE-2026-19317CWE-125CWE-191

CVE-2026-19317

published August 28, 2026

CVSS
8.7
EPSS
0%
Percentile
24.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
8.7 · NONE
CVSS v4.0
8.7 · 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
EPSS
0.00322 · 24.0th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-08-28T06:16Z
References (1)
https://psirt.watchguard.com/CVE-2026-19317 · 5d1c2695-1a31-4499-88ae-e847036fd7e3
EPSS history
Timeline
  • 27 AUG 23:24Z
    Fireware OS Pre-Authentication Out-of-Bounds Read in iked Allows Denial of Service (DoS)
    cvelistv5