CVE-2025-28172

Published Jul 29, 2025 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-23001 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.
History
Type Values Removed Values Added
First Time appeared Grandstream ucm6510 Firmware
CPEs cpe:2.3:h:grandstream:ucm6510:-:*:*:*:*:*:*:*
cpe:2.3:o:grandstream:ucm6510_firmware:*:*:*:*:*:*:*:*
Vendors & Products Grandstream ucm6510 Firmware
Type Values Removed Values Added
First Time appeared Grandstream
Grandstream ucm6510
Vendors & Products Grandstream
Grandstream ucm6510
Type Values Removed Values Added
Weaknesses CWE-307
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 5, 2026, 1:03 AM
Reserved
Mar 11, 2025, 12:00 AM
Status
Modified
Published
Jul 29, 2025, 3:15 PM
Modified
Jul 5, 2026, 1:21 AM