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.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.33%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 29-07-2025PublishedVulnerability first disclosed.
- 05-07-2026Last 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 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NSourcesAll 2 agree
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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 score0.33%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Grandstream1 product
- ucm6510_firmware≤ 1.0.20.52
1 vendor · 1 product
References
1 links- gist.github.com/Exek1el/a1fe4288f0df0a47068d618579c6b647Third Party Advisory