An issue in Grandstream UCM6510 v.1.0.20.52 and before allows a remote attacker to obtain…
Priority MEDIUM 62CWE-922Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-922.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00354 29th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:grandstream:ucm6510_firmware:*:*:*:*:*:*:*:* | up to 1.0.20.52 | Vulnerable | Grandstream |
| cpe:2.3:h:grandstream:ucm6510:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Grandstream |
- cpe:2.3:o:grandstream:ucm6510_firmware:*:*:*:*:*:*:*:* Versions up to 1.0.20.52 Vulnerable ·Grandstream
- cpe:2.3:h:grandstream:ucm6510:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Grandstream
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-28171
- 2026-10-03 Alias added: GHSA-37pj-rmp7-4xwx
References
More Grandstream Ucm6510 Firmware vulnerabilities
- TI-2025-20741 Grandstream Networks UCM6510 v1.0.20.52 and before is vulnerable to Improper Restriction… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2025-28171 · CVE Program
- CVE-2025-28171 · NVD
- FIRST EPSS
- GHSA-37pj-rmp7-4xwx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences