Resource allocation without limits in Yealink RPS
Priority LOW 20CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-770.
Summary
The Yealink RPS API before 2025-05-26 lacks rate limiting, potentially enabling information disclosure via excessive requests.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00325 25th percentileScored 2026-11-07
Fix Fixed RPS (Yealink): 2025-05-26
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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
Remediation
- Fix · CNA RPS (Yealink) Fixed in 2025-05-26
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Yealink RPS 2025-05-26
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2025-32953 Improper certificate validation in Yealink RPSPriority MEDIUM 53
- TI-2025-32952 Incorrect authorization in Yealink RPSPriority LOW 23
Timeline
- 2026-10-02 Threatist record created from CVE-2025-52917
- 2026-10-03 Alias added: GHSA-mrw7-q7w8-vj5j
References
More Yealink vulnerabilities
- TI-2021-09018 Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-41051 An issue in Yealink T21P_E2 Phone 52.84.0.15 allows a remote normal privileged attacker… CVSS 3.1HIGH 8.8
- TI-2023-23573 An issue in YeaLinkSIP-T19P-E2 v.53.84.0.15 allows a remote privileged attacker to… CVSS 3.1HIGH 8.8
- TI-2026-10514 Yealink SIP-T46U Web FastCGI Service bttest mod_webd.BlueToothTest stack-based overflow CVSS 4.0HIGH 8.6
- TI-2026-10512 Yealink SIP-T46U Firmware Chunk Upload handler accupgradebychunk mod_upgrade.SparePartsUpload stack-based overflow CVSS 4.0HIGH 8.6
- TI-2026-10510 Yealink SIP-T46U Web FastCGI Service beforewifitest StartReportInformation stack-based overflow CVSS 4.0HIGH 8.6
Sources
- CVE-2025-52917 · CVE Program
- CVE-2025-52917 · NVD
- FIRST EPSS
- GHSA-mrw7-q7w8-vj5j · 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