Unauthenticated information disclosure through Login endpoints
Published Jul 29, 2025 · Updated Jul 5, 2026
Information disclosure in the Login function of Grandstream UCM6510 1.0.20.52 and earlier allows remote attackers to obtain sensitive data. The public CVE record identifies the /cgi and /webrtccgi Login handlers but does not disclose the data source or incorrect operation. No prior account or user interaction is required, while the identity and operational sensitivity of the exposed data remain undisclosed.
Summary
What happened
Information disclosure in the Login function of Grandstream UCM6510 1.0.20.52 and earlier allows remote attackers to obtain sensitive data. The public CVE record identifies the /cgi and /webrtccgi Login handlers but does not disclose the data source or incorrect operation. No prior account or user interaction is required, while the identity and operational sensitivity of the exposed data remain undisclosed.
The record
- CVE
- CVE-2025-28171
- Published
- Jul 29, 2025
- Updated
- Jul 5, 2026
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-922
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 29, 2025CVE publishedPublication date reported by the CVE source.
- Jul 5, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Grandstream UCM6510 Login information-disclosure proof of conceptproof of concept · unverified
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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