Dimension Denial-of-Service

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-13108
StatePUBLISHED
AssignerWatchGuard
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-28 02:16:20 UTC
Updated2026-08-28 02:16:20 UTC
DescriptionWatchGuard Dimension is susceptible to a denial-of-service condition when an attacker sends a high volume of TCP SYN packets to the log listening service.

Risk And Classification

Primary CVSS: v4.0 8.7 HIGH from 5d1c2695-1a31-4499-88ae-e847036fd7e3

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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-400 | CWE-400 CWE-400

VersionSourceTypeScoreSeverityVector
4.05d1c2695-1a31-4499-88ae-e847036fd7e3Secondary8.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNADECLARED8.7HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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 Dimension affected 2.0 2.3.1 semver Not specified

References

ReferenceSourceLinkTags
psirt.watchguard.com/CVE-2026-13108 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: Alessandro Vannini, IT4YOU Cybersecurity (en)

Additional Advisory Data

Solutions

CNA: Dimension 2.3.1

Workarounds

CNA: The vulnerability exploit requires a high volume of TCP SYN packets over a short duration and is mitigated by deploying the Dimension server behind a firewall that provides rate limiting protections.

Exploits

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

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