What’s Vulnerable › Vulnerabilities

CVE-2025-7882: Mercusys MW301R Login excessive authentication

• Severity: low (CVSS 3.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-20 · updated 2026-06-17
• Weakness: CWE-307

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.

Affected products

• Mercusys MW301R: 1.0.2 Build 190726 Rel.59423n

References

• https://github.com/RaulPazemecxas/PoCVulDb/blob/main/README21.md
• https://vuldb.com/?ctiid.316997
• https://vuldb.com/?id.316997
• https://vuldb.com/?submit.611431

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