Brute-Force Vulnerability in Yealink YMCS RPS Products
CVE-2025-52916

2.2LOW

Key Information:

Vendor

Yealink

Status
Rps
Vendor
CVE Published:
21 June 2025

What is CVE-2025-52916?

The Yealink YMCS RPS prior to June 4, 2025, has a vulnerability that permits brute-force enumeration due to inadequate limits on SN verification attempts. This flaw could allow attackers to enumerate the last five digits of the serial number, potentially leading to unauthorized access or exploitation of the system.

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Affected Version(s)

RPS 0 < 2025-06-04

References

https://www.yealink.com/en/trust-center/security-advisori...
https://support.yealink.com/en/portal/knowledge/show?id=6...
https://seclists.org/fulldisclosure/2025/Jun/20

CVSS V3.1

Score:
2.2
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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