Vulnerability in Grandstream Ucm6510

CVE-2025-28171

An issue in Grandstream UCM6510 v.1.0.20.52 and before allows a remote attacker to obtain sensitive information via the Login function at /cgi and /webrtccgi.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (20.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-28171: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-28171?
CVE-2025-28171 is a medium-severity vulnerability in Grandstream Ucm6510, classified under CWE-922. CVSS score: 6.5/10. Published 2025-07-29.
How severe is CVE-2025-28171?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-28171 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.