CVE-2026-78617

6.3 mediumEPSS 0.4%

Medium (6.3). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

6.3 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-31)
CWEs: CWE-203, CWE-307
Published: 2026-08-28
Modified: 2026-08-28
Record from: the NVD, synced 2026-10-19

References

https://psirt.watchguard.com/CVE-2026-78617

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