CVE-2025-28172EPSS p18.9%

CVE-2025-28172CVE-2025-28172

grandstream / ucm6510_firmware

Description

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.

Scoring

CVSS 6.5 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS0.27% probability of exploitation · percentile 18.9% · 2026-08-18T12:04:07Z
Last modified2026-07-05
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.