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CVE-2025-7881— Mercusys MW301R Web Interface password recovery

Quick assessment

Affected
Mercusys MW301R
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mercusys MW301R是中国Mercusys公司的一款路由器。 Mercusys MW301R 1.0.2 Build 190726 Rel.59423n版本存在授权问题漏洞，该漏洞源于对Web Interface组件中参数code的错误操作导致弱密码恢复。

CVSS 2.7 · Low EPSS 0.28% · P21

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-7881

Vulnerability Information
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Vulnerability Title
Mercusys MW301R Web Interface password recovery
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
忘记口令恢复机制弱
Source: CVE Program / CVE List V5
Vulnerability Title
Mercusys MW301R 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mercusys MW301R是中国Mercusys公司的一款路由器。 Mercusys MW301R 1.0.2 Build 190726 Rel.59423n版本存在授权问题漏洞，该漏洞源于对Web Interface组件中参数code的错误操作导致弱密码恢复。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Mercusys MW301R 1.0.2 Build 190726 Rel.59423n -

II. Public POCs for CVE-2025-7881

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III. Intelligence Information for CVE-2025-7881

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IV. Related Vulnerabilities

Same product: MW301R
Same vendor: Mercusys
Same weakness: CWE-640

V. Comments for CVE-2025-7881

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