Endpoint and AuthPoint
CVE-2026-57910: WatchGuard Agent improper authentication allows unauthenticated remote code execution
Improper authentication in the WatchGuard Agent allows an unauthenticated attacker with network access to cause the agent to execute arbitrary code with elevated privileges.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityCRITICALCVSS 4.0 9.3
EPSS0.24%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| WatchGuard Agent (Linux) 0 | 1.17.01.0000 or later |
| WatchGuard Agent (Windows) 0 | 1.25.13.0000 or later |
| WatchGuard Agent (macOS) 0 | 1.17.21.0000 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
Improper authentication in the WatchGuard Agent allows an unauthenticated attacker with network access to cause the agent to execute arbitrary code with elevated privileges.
Exploitation
WatchGuard is not aware of any exploitation of this vulnerability in the wild.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.