SB2025080855 - Multiple vulnerabilities in Yealink IP Phones and RPS (Redirect and Provisioning Service)

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Main Vulnerability Database SB2025080855

SB2025080855 - Multiple vulnerabilities in Yealink IP Phones and RPS (Redirect and Provisioning Service)

Published: August 8, 2025

Security Bulletin ID SB2025080855
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 75% Low 25%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Improper Restriction of Excessive Authentication Attempts (CVE-ID: CVE-2025-52916)

CWE-ID: CWE-307 - Improper Restriction of Excessive Authentication Attempts

CVSSv4: 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]


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.


2) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2025-52917)

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


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

The vulnerability exists due to improper restriction of excessive authentication attempts. A remote user can gain access to sensitive information.


3) Incorrect User Management (CVE-ID: CVE-2025-52918)

CWE-ID: CWE-286 - Incorrect User Management

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


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

The vulnerability exists due to the affected products fail to enforce access restrictions on OpenAPIs for frozen enterprise accounts. A remote user can gain access to deactivated interfaces.


4) Improper Certificate Validation (CVE-ID: CVE-2025-52919)

CWE-ID: CWE-295 - Improper Certificate Validation

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


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

The vulnerability exists due to the certificate upload function in the affected products does not properly validate certificate content. A remote user can upload invalid certificates on the system.


Remediation

Install update from vendor's website.

References