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TI-2025-07205 Aliases CVE-2025-7881GHSA-xrf9-vprm-8m66

Mercusys MW301R Web Interface password recovery

Priority MEDIUM 56CWE-640Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-640.

Summary

A vulnerability was found in Mercusys MW301R 1.0.2 Build 190726 Rel.59423n. It has been declared as problematic. This vulnerability affects unknown code of the component Web Interface. The manipulation of the argument code leads to weak password recovery. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00335 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
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
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
MercusysMW301R1.0.2 Build 190726 Rel.59423n—No fix listedCNA
  • MW301R VendorMercusys Affected 1.0.2 Build 190726 Rel.59423n Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-7881
  2. 2026-10-03 Alias added: GHSA-xrf9-vprm-8m66

References

  • TI-2025-35352 Mercusys MW305R 3.30 and below is has a Transport Layer Security (TLS) certificate private key disclosure. CVSS 3.1MEDIUM 6.8
  • TI-2021-05991 MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ in conjunction with… CVSS 3.1MEDIUM 5.3
  • TI-2022-10208 TP-Link TL-WDR7660 2.0.30, Mercury D196G 20200109_2.0.4, and Fast FAC1900R 20190827_2.0.2… CVSS 3.1HIGH 7.8
  • TI-2022-10207 TP-Link TL-WDR7660 2.0.30, Mercury D196G 20200109_2.0.4, and Fast FAC1900R 20190827_2.0.2… CVSS 3.1HIGH 7.8
  • TI-2021-07878 MERCUSYS Mercury X18G 1.0.5 devices allow Denial of service via a crafted value to the… CVSS 3.1HIGH 7.5
  • TI-2021-07877 Cross site Scripting (XSS) vulnerability in MERCUSYS Mercury X18G 1.0.5 devices, via… CVSS 3.1MEDIUM 6.1
See all 9 →

Sources