CVE-2025-28172

6.5 mediumEPSS 0.3%

Medium (6.5) in grandstream ucm6510 firmware. EPSS 0.3% chance of exploitation in the next 30 days.

Grandstream Networks UCM6510 v1.0.20.52 and before is vulnerable to Improper Restriction of Excessive Authentication Attempts. An attacker can perform an arbitrary number of authentication attempts using different passwords and eventually gain access to the targeted account using a brute force attack.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-31)
CWE: CWE-307
Published: 2025-07-29
Modified: 2026-07-05
Record from: the NVD, synced 2026-10-19

Affected

grandstream:ucm6510_firmware

References

https://gist.github.com/Exek1el/6291185a87c98d4229181212b2bd5cdf

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