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.

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

EPSS: 0.002 (8.4th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

cve@mitre.org (Not Applicable)
cve@mitre.org (Exploit, Third Party Advisory)

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.