CVE-2025-28172: ucm6510 Brute Force (CVSS 6.5)

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.

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CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-307 CWE-307

Affected Products

Vendor	Product	Versions
grandstream	ucm6510_firmware	< 1.0.20.52
grandstream	ucm6510	All

References

Other References

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

Frequently Asked Questions

What is 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 using different passwords and eventually gain access to the targeted account using a brute force attack. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-28172? +

CVE-2025-28172 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-28172? +

CVE-2025-28172 affects products from grandstream, specifically: ucm6510, ucm6510_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-28172? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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