WatchGuard AuthPoint Gateway Improper Authentication Allows Unauthenticated Denial of Service

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-121639
StatePUBLISHED
AssignerWatchGuard
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-04 15:17:42 UTC
Updated2026-11-04 19:17:31 UTC
DescriptionA Missing Authentication for Critical Function vulnerability in WatchGuard AuthPoint Gateway allows a remote unauthenticated attacker with network access to the AuthPoint Gateway host to disrupt authentication services and delete the local directory synchronization configuration.

Risk And Classification

Primary CVSS: v4.0 9.2 CRITICAL from 5d1c2695-1a31-4499-88ae-e847036fd7e3

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

Problem Types: CWE-252 | CWE-287 | CWE-306 | CWE-252 CWE-252 | CWE-287 CWE-287 | CWE-306 CWE-306

VersionSourceTypeScoreSeverityVector
4.05d1c2695-1a31-4499-88ae-e847036fd7e3Secondary9.2CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:H/E:X/C...
4.0CNADECLARED9.2CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:H

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/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 AuthPoint Authentication Gateway affected 1.0 7.6.0 semver Not specified

References

ReferenceSourceLinkTags
psirt.watchguard.com/CVE-2026-121639 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: WatchGuard AI Security Research (en)

Additional Advisory Data

Solutions

CNA: AuthPoint Authentication Gateway 7.6.0

Exploits

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

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