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TI-2025-42146 Aliases CVE-2025-68644GHSA-w4w5-g48q-278g

Authentication bypass by spoofing in Yealink RPS

Priority LOW 34CWE-290Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-290.

Summary

Yealink RPS before 2025-06-27 allows unauthorized access to information, including AutoP URL addresses. This was fixed by deploying an enhanced authentication mechanism through a security update to all cloud instances.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00303 23rd percentileScored 2026-11-07
Fix Fixed RPS (Yealink): 2025-06-27

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
YealinkRPSbefore 2025-06-272025-06-27Patch availableCNA
  • RPS VendorYealink Affected before 2025-06-27 Fixed in 2025-06-27 Patch available CNA

Remediation

  • Fix · CNA RPS (Yealink) Fixed in 2025-06-27

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-68644
  2. 2026-10-03 Alias added: GHSA-w4w5-g48q-278g

References

  • 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
See all 42 →

Sources