Vulnerability in Mercusys Mw301r
CVE-2025-7882
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.
EPSS: 0.003 (21.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Mercusys Mw301r — versions 1.0.2 Build 190726 Rel.59423n
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (exploit, broken-link)
Frequently asked questions
- What is CVE-2025-7882?
- CVE-2025-7882 is a low-severity vulnerability in Mercusys Mw301r, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 3.1/10. Published 2025-07-20.
- How severe is CVE-2025-7882?
- Low severity. CVSS v3 base score is 3.1 out of 10.
- Is CVE-2025-7882 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.