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TI-2025-35352 Aliases CVE-2025-56463GHSA-h6r9-j826-53gg

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

Priority HIGH 65CWE-200Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.

Summary

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

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00198 9th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:mercusys:mw305r_firmware:*:*:*:*:*:*:*:*up to 3.30VulnerableMercusys
cpe:2.3:h:mercusys:mw305r:-:*:*:*:*:*:*:*not specified by NVDRunning onMercusys
  • cpe:2.3:o:mercusys:mw305r_firmware:*:*:*:*:*:*:*:* Versions up to 3.30 Vulnerable ·Mercusys
  • cpe:2.3:h:mercusys:mw305r:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Mercusys

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-56463
  2. 2026-10-03 Alias added: GHSA-h6r9-j826-53gg

References

Exploit 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences