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.
CVE-2025-7882
LOWPre-NVD 3.13.1—
EchelonGraph scoreMEDIUM confidence
Score 3.1 from GitHub Security Advisory (severity: LOW) published 2025-07-20. NVD baseline CVSS 3.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
3.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 3.1Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.1
- EG Score
- 3.1(medium)
- EG Risk
- —
- EPSS
- 21.2%
- KEV
- Not listed
Published
July 20, 2025
Last Modified
June 17, 2026
References (4)
Data Freshness Timeline
(refreshed 0× in last 7d / 0× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-06-24 09:52 UTCNVD updateCVSS v4 → 1.3
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Frequently asked(5)
What is CVE-2025-7882?
CVE-2025-7882 is a low vulnerability published on July 20, 2025. 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…
When was CVE-2025-7882 disclosed?
CVE-2025-7882 was first published in the National Vulnerability Database on July 20, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-7882 actively exploited?
CVE-2025-7882 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 21.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-7882?
CVE-2025-7882 has a CVSS v3 base score of 3.1 (NVD).
How do I remediate CVE-2025-7882?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-7882, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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