Private Key Disclosure Vulnerability in Mercusys MW305R Router
CVE-2025-56463

6.8MEDIUM

Key Information:

Vendor

Mercusys

Status
MW305R Router
Vendor
CVE Published:
26 September 2025

What is CVE-2025-56463?

The Mercusys MW305R router, specifically versions 3.30 and below, is susceptible to a significant vulnerability where the private key of the Transport Layer Security (TLS) certificate could be disclosed. This flaw poses serious risks as it can enable unauthorized parties to decrypt secure communications, jeopardizing network integrity and user data confidentiality. Addressing this vulnerability is essential to maintaining a secure networking environment.

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References

https://packetstormsecurity.com
https://github.com/MatJosephs/CVEs/tree/main/CVE-2025-56463

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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