Main Vulnerability Database Vulnerabilities #VU113780

Improper Restriction of Excessive Authentication Attempts in Yealink products - CVE-2025-52916

Published: August 8, 2025

Vulnerability identifier: #VU113780

CSH Severity: Low

CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-52916

CWE-ID: CWE-307

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to compromise the target system.

The vulnerability exists due to improper restriction of excessive authentication attempts. A remote administrator can conduct brute force attacks to gain access to sensitive information.

Affected software

SIP-T27P
SIP-T20P
SIP-T22P
SIP-T26P
T52S
T54S
RPS (Redirect and Provisioning Service)
SIP-T53
SIP-T53W
SIP-T54W
SIP-T57W
W52P
SIP-T46G
SIP-T42G
SIP-T48G
SIP-T41P
SIP-T23G
SIP-T29G
SIP-T21P_E2
SIP-T19P_E2
SIP-T40P
SIP-T58
SIP-T56A
SIP-T42S
SIP-T48S
SIP-T46S
SIP-T41S
SIP-T27G
CP960
SIP-T40G
W60B
SIP-CP920

How to mitigate CVE-2025-52916

Install updates from vendor's website.

SIP-T27P - update to 45.83.0.161
SIP-T53 - update to X.84.0.121
SIP-T53W - update to X.84.0.121
SIP-T54W - update to X.84.0.121
SIP-T57W - update to X.84.0.121
W52P - update to 25.81.0.67
SIP-T46G - update to 28.83.0.160
SIP-T42G - update to 29.83.0.160
SIP-T48G - update to 35.83.0.160
SIP-T41P - update to 36.83.0.160
SIP-T23G - update to 44.84.0.121
SIP-T29G - update to 46.83.0.160
SIP-T21P_E2 - update to 52.84.0.121
SIP-T19P_E2 - update to 53.84.0.121
SIP-T40P - update to 54.84.0.121
SIP-T58 - update to 58.84.0.37
SIP-T56A - update to 58.84.0.37
SIP-T42S - update to 66.84.0.121
SIP-T48S - update to 66.84.0.121
SIP-T46S - update to 66.84.0.121
SIP-T41S - update to 66.84.0.121
SIP-T27G - update to 69.84.0.121
CP960 - update to 73.84.0.37
SIP-T40G - update to 76.84.0.121
W60B - update to 77.83.0.83
SIP-CP920 - update to 78.84.0.121

External References

Related Security Bulletins