CVE-2026-57910

WatchGuard Agent improper authentication allows unauthenticated remote code execution

Published Aug 25, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
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

Vendor Solution

WatchGuard Agent 1.17.02.0000, WatchGuard Agent 1.17.21.0000, WatchGuard Agent 1.25.13.0000

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Watchguard agent
Vendors & Products Watchguard agent
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper authentication in the WatchGuard Agent allows an unauthenticated attacker with network access to cause the agent to execute arbitrary code with elevated privileges.
Title WatchGuard Agent improper authentication allows unauthenticated remote code execution
First Time appeared Watchguard
Watchguard watchguard Agent
Weaknesses CWE-306
CWE-347
CWE-494
CPEs cpe:2.3:a:watchguard:watchguard_agent:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard watchguard Agent
References
Metrics cvssV4_0

{'score': 9.3, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WatchGuard
Published
Updated
Sep 9, 2026, 2:57 PM
Reserved
Jun 26, 2026, 9:41 AM
Status
Deferred
Published
Aug 25, 2026, 12:16 PM
Modified
Sep 28, 2026, 11:10 PM