6.5

CVE-2025-28171: grandstream ucm6510_firmware

CVSS: 6.5v3.1MediumModified
Published 29-07-2025Last modified 05-07-2026

Vulnerability summary

CVE-2025-28171 is a medium (CVSS 6.5) vulnerability in grandstream ucm6510_firmware. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.7% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-07-2025
    PublishedVulnerability first disclosed.
  2. 05-07-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

+0.03 pp

From 0.30% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Grandstream1 product

1 vendor · 1 product

References

1 links