CVE-2026-13084

HIGH
MEDIUM Priority: 0.05 BB Relevance: 78/100
Published: 2026-07-03 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: None
VC: None
VI: None
VA: High

Description

A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service (DoS) condition by sending specially crafted IKEv2 messages. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer. This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2

Weakness Classification (1)

Affected Software (6)

VendorProductVersion
watchguard fireware 12.5 – 12.5.19
watchguard fireware 11.0.0 – 11.12.4
watchguard fireware 11.12.4
watchguard fireware 11.12.4
watchguard fireware 12.0 – 12.12.1
watchguard fireware 2025.1 – 2026.2.1

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.7 / 10.0 v4.0
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/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

EPSS — Exploitation Probability

0.61%
Raw Score 0.006080
Percentile 49.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00608
2026-10-28
0.00608

Intelligence Sources

nvd ref →