Information disclosure in Mercusys Mw305r

CVE-2025-56463

Mercusys MW305R 3.30 and below is has a Transport Layer Security (TLS) certificate private key disclosure.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (8.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-56463: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-56463?
CVE-2025-56463 is a medium-severity vulnerability in Mercusys Mw305r, classified under Information Disclosure. CVSS score: 6.8/10. Published 2025-09-26.
How severe is CVE-2025-56463?
Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2025-56463 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.