WatchGuard Agent path traversal allows unauthenticated remote code execution

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-57909
StatePUBLISHED
AssignerWatchGuard
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-25 12:16:24 UTC
Updated2026-08-28 18:43:25 UTC
DescriptionA path traversal vulnerability in WatchGuard Agent allows a remote, unauthenticated attacker on an adjacent network to execute arbitrary code on an affected system.

Risk And Classification

Primary CVSS: v4.0 9.4 CRITICAL from 5d1c2695-1a31-4499-88ae-e847036fd7e3

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/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

EPSS: 0.002890000 probability, percentile 0.209920000 (date 2026-08-30)

Problem Types: CWE-94 | CWE-306 | CWE-306 CWE-306 | CWE-94 CWE-94

VersionSourceTypeScoreSeverityVector
4.05d1c2695-1a31-4499-88ae-e847036fd7e3Secondary9.4CRITICALCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/C...
4.0CNADECLARED9.4CRITICALCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS v4.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
High
Sub Integrity
High
Sub Availability
High

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/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA WatchGuard WatchGuard Agent affected 1.25.13.0000 semver Windows

References

ReferenceSourceLinkTags
psirt.watchguard.com/CVE-2026-57909 5d1c2695-1a31-4499-88ae-e847036fd7e3 psirt.watchguard.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: R31n (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-08-25T00:00:00.000ZCVE published

Solutions

CNA: WatchGuard Agent 1.25.13.0000

Exploits

CNA: WatchGuard is not aware of any exploitation of this vulnerability in the wild.

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