CVE-2025-28172
MEDIUM EPSS 18.3%
Published Jul 29, 202511mo ago · Modified Jun 17, 20261w ago
6.5 CVSS 3.1
Published Jul 29, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago
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 Details
Base Score
Exploitability
Impact
Vector string
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
Threat Intelligence
EPSS Exploit Probability
18.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-307
Affected Products 2
| Vendor | Product | Version | Range |
|---|---|---|---|
| grandstream | ucm6510_firmware | * | ≤1.0.20.52 |
| grandstream | ucm6510 | * | any |
References 2
- grandstream.com http://grandstream.com
- gist.github.com https://gist.github.com/Exek1el/6291185a87c98d4229181212b2bd5cdf
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.