---
id: CVE-2026-57910
title: >-
  Improper authentication in the WatchGuard Agent allows an unauthenticated
  attacker with network access to cause the agent to execute arbitrary code with
  elevated privileges.
summary: >-
  Improper authentication in the WatchGuard Agent allows an unauthenticated
  attacker with network access to cause the agent to execute arbitrary code with
  elevated privileges.
severity: critical
cvss: 9.3
cvssVector: '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'
cwe:
  - CWE-306
  - CWE-347
  - CWE-494
vendor: WatchGuard
product: WatchGuard Agent
affected:
  - agent < 1.17.01.0000
  - agent < 1.25.13.0000
  - agent < 1.17.21.0000
published: '2026-08-25'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T15:17:07.790'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-57910'
references:
  - url: 'https://psirt.watchguard.com/CVE-2026-57910'
    label: 5d1c2695-1a31-4499-88ae-e847036fd7e3
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-08-25T12:53:05.334812Z'
cvssSource: cna
ingestedAt: '2026-09-13T21:18:11.231Z'
epss: 0.00245
epssPercentile: 0.14069
---

## Overview

Improper authentication in the WatchGuard Agent allows an unauthenticated attacker with network access to cause the agent to execute arbitrary code with elevated privileges.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.