CVE-2026-57909 | BDVDB-2026-364313 Detail

WatchGuardWatchGuard Agent

Description#

A path traversal vulnerability in WatchGuard Agent allows a remote, unauthenticated attacker on an adjacent network to execute arbitrary code on an affected system.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: adjacent.

Weaknesses#

CWE-306 Missing Authentication for Critical Function
CWE-94 Improper Control of Generation of Code ('Code Injection')

References#

https://psirt.watchguard.com/CVE-2026-57909

Exploit#

No public exploit known

History#

Version 12026-08-25Record published in the CVE List.
Version 22026-08-26Most recent update recorded in the CVE List.

Published

Published: 2026-08-25
Last modified: 2026-08-26

Vendor information

Vendor: WatchGuard
Product: WatchGuard Agent

All WatchGuard vulnerabilities

Score

9.4 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 35.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.25.13.0000
Fixed
1.25.13.0000

Scoring System

CVSS v4.0

9.4 Critical

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Metric breakdown
Attack Vector	Adjacent
Attack Complexity	Low
Attack Requirements	None
Privileges Required	None
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	High
Subsequent System Integrity	High
Subsequent System Availability	High

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).