PatchTheCVECVE-2025-56463: Mercusys MW305R 3.30 and below is has a Transport Layer Security (TLS) certificate private key disclosure.
CVE-2025-56463 is a medium-severity flaw (CVSS 6.8) affecting mw305r firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Mercusys MW305R 3.30 and below is has a Transport Layer Security (TLS) certificate private key disclosure.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.8 (Medium) |
| Attack vector | Physical |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 90%) |
| CISA exploited list | No |
| Weakness | CWE-200 |
| Published | 2025-09-26 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-56463?
mw305r firmware: upgrade to newer than 3.30. Exact commands for each OS are on this page.
Is CVE-2025-56463 being exploited?
CVE-2025-56463 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-56463 affect?
CVE-2025-56463 affects mw305r firmware. Severity is medium (CVSS 6.8). Mercusys MW305R 3.30 and below is has a Transport Layer Security (TLS) certificate private key disclosure.
How urgent is CVE-2025-56463?
Priority 31/100. Public exploit reference