2.2
LOW CVSS 3.1
CVE-2025-52916
Yealink YMCS RPS Brute-Force Authentication Bypass
Description

Yealink RPS before 2025-06-04 lacks SN verification attempt limits, enabling brute-force enumeration (last five digits).

INFO

Published Date :

June 21, 2025, 11:15 p.m.

Last Modified :

July 10, 2025, 7:15 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-52916 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 LOW [email protected]
Solution
Update Yealink RPS to version 2025-06-04 or later to fix SN verification limits.
  • Update Yealink RPS to version 2025-06-04.
  • Ensure SN verification has attempt limits.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-52916 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-52916 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-52916 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Jul. 10, 2025

    Action Type Old Value New Value
    Changed Description Yealink YMCS RPS before 2025-06-04 lacks SN verification attempt limits, enabling brute-force enumeration (last five digits). Yealink RPS before 2025-06-04 lacks SN verification attempt limits, enabling brute-force enumeration (last five digits).
  • CVE Modified by [email protected]

    Jun. 30, 2025

    Action Type Old Value New Value
    Added Reference https://dnip.ch/2025/06/25/yealink-voip-phones-insecurity-by-design/
    Added Reference https://seclists.org/fulldisclosure/2025/Jun/20
  • New CVE Received by [email protected]

    Jun. 21, 2025

    Action Type Old Value New Value
    Added Description Yealink YMCS RPS before 2025-06-04 lacks SN verification attempt limits, enabling brute-force enumeration (last five digits).
    Added CVSS V3.1 AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
    Added CWE CWE-307
    Added Reference https://support.yealink.com/en/portal/knowledge/show?id=6476e7cd6a27da76bd06a9c9
    Added Reference https://www.yealink.com/en/trust-center/security-advisories/b8dc062eaa8d4f59
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 2.2
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact