CVE-2025-7882 – Mercusys MW301R Authentication Bypass Vulnerability

The following table lists the changes that have been made to the
CVE-2025-7882 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jul. 20, 2025

    Action Type Old Value New Value
    Added Description A vulnerability was found in Mercusys MW301R 1.0.2 Build 190726 Rel.59423n. It has been rated as problematic. This issue affects some unknown processing of the component Login. The manipulation leads to improper restriction of excessive authentication attempts. The attack can only be initiated within the local network. The complexity of an attack is rather high. The exploitation is known to be difficult. 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.
    Added CVSS V4.0 AV:A/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:A/AC:H/Au:N/C:N/I:P/A:N)
    Added CWE CWE-307
    Added CWE CWE-799
    Added Reference https://github.com/RaulPazemecxas/PoCVulDb/blob/main/README21.md
    Added Reference https://vuldb.com/?ctiid.316997
    Added Reference https://vuldb.com/?id.316997
    Added Reference https://vuldb.com/?submit.611431
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