Medium severity · published Jul 29, 2025
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
6.5
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UF
Ucm6510 Firmware · Grandstream
through 1.0.20.52 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-28171
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-28171
Third Party Advisory
https://gist.github.com/Exek1el/a1fe4288f0df0a47068d618579c6b647
More from Ucm6510 Firmware
6.5
CVE-2025-28172
Grandstream Networks UCM6510 v1.0.20.52 and before is vulnerable to Improper Restriction of Excessive Authentication Attempts