WatchGuard AP Command Injection in Internal Management API Allows Command Execution

published 2026-09-28 41 d ago modified 2026-09-28 41 d ago also EUVD-2026-88364

cvss: 9.3; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.3%; EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits: 0; none known

An OS command injection vulnerability in the WatchGuard AP internal API service allows an attacker with network access to the AP to execute arbitrary shell commands on the underlying operating system.

Patch / fix

fixed in 1

WatchGuard WatchGuard AP 3.4.8

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 41 d ago (2026-09-28)

Exploit prediction

2.26% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	9.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA	4.0	9.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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

Affected products

WatchGuard WatchGuard AP

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command
CWE-863 Incorrect Authorization

References

psirt.watchguard.com /CVE-2026-86102
vendor-advisory

Sources

CVE List CVE-2026-86102
NVD CVE-2026-86102

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary