MEDIUM · 6.5

CVE-2025-28172

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 us...

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
GrandstreamUcm6510 Firmware<= 1.0.20.52
GrandstreamUcm6510-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2025-28172?

CVE-2025-28172 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 us...

How severe is CVE-2025-28172?

CVE-2025-28172 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-28172?

Check the references section above for vendor advisories and patch information. Affected products include: Grandstream Ucm6510 Firmware, Grandstream Ucm6510.