PT-2025-39650 · Mercusys · Mercusys Mw305R

Published 2025-09-26 · Updated 2025-10-07 · CVE-2025-56463

Positive Technologies (AI Summary)

CVSS v3.1

6.8

Medium

Base vector

AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Mercusys MW305R versions 3.30 and below

Description The Mercusys MW305R router firmware contains a flaw that leads to a Transport Layer Security (TLS) certificate private key disclosure. This allows potential attackers to obtain the private key associated with the TLS certificate used by the router.

Recommendations Update the firmware to a version newer than 3.30.

Exploit

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2025-56463

Affected Products

Mercusys Mw305R

References · 8

• 🔥 https://github.com/MatJosephs/CVEs/tree/main/CVE-2025-56463 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-56463 · Security Note
• https://osv.dev/vulnerability/CVE-2025-56463 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1971711821343035803 · Twitter Post
• https://t.me/CVEtracker/33476 · Telegram Post
• https://packetstormsecurity.com · Note
• https://twitter.com/CVEnew/status/1971598946070893043 · Twitter Post
• https://t.me/cveNotify/137713 · Telegram Post