Vulnerability in Mercusys Mw301r
CVE-2025-7881
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (19.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Mercusys Mw301r — versions 1.0.2 Build 190726 Rel.59423n
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/RaulPazemecxas/PoCVulDb/blob/main/README20.md (exploit, broken-link)
Frequently asked questions
- What is CVE-2025-7881?
- CVE-2025-7881 is a low-severity vulnerability in Mercusys Mw301r, classified under Weak Password Recovery Mechanism for Forgotten Password. CVSS score: 2.7/10. Published 2025-07-20.
- How severe is CVE-2025-7881?
- Low severity. CVSS v3 base score is 2.7 out of 10.
- Is CVE-2025-7881 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.