Mercusys MW301R Web Interface password recovery
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
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-7881
- 2026-10-03 Alias added: GHSA-xrf9-vprm-8m66
References
More Mercusys vulnerabilities
- 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
Sources
- CVE-2025-7881 · CVE Program
- CVE-2025-7881 · NVD
- FIRST EPSS
- GHSA-xrf9-vprm-8m66 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences