CVE-2026-78617

WatchGuard Dimension Web UI Authentication Brute-Force Due to Missing Rate Limiting

Published Aug 27, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
WatchGuard Dimension's web login endpoint does not enforce effective rate-limiting or account lockout by default allowing a remote attacker to perform automated password guessing against user accounts. If the account lockout setting is enabled, brute-force attempts are blocked after a defined number of failed attempts, but this setting is not enabled by default.

Remediation

Vendor Solution

Dimension 2.3.1

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description WatchGuard Dimension's web login endpoint does not enforce effective rate-limiting or account lockout by default allowing a remote attacker to perform automated password guessing against user accounts. If the account lockout setting is enabled, brute-force attempts are blocked after a defined number of failed attempts, but this setting is not enabled by default.
Title WatchGuard Dimension Web UI Authentication Brute-Force Due to Missing Rate Limiting
First Time appeared Watchguard
Watchguard dimension
Weaknesses CWE-203
CWE-307
CPEs cpe:2.3:a:watchguard:dimension:*:*:*:*:*:*:*:*
Vendors & Products Watchguard
Watchguard dimension
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WatchGuard
Published
Updated
Aug 28, 2026, 3:56 PM
Reserved
Aug 24, 2026, 9:19 PM
Status
Deferred
Published
Aug 28, 2026, 2:16 AM
Modified
Aug 28, 2026, 8:19 PM