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Vulnerabilities

Vulnerability · CVE-2025-7882

A vulnerability was found in Mercusys MW301R 1.0.2 Build 190726 Rel.59423n.

Published Jul 20, 2025 · catalog updated Jul 21, 2025 · Mercusys MW301R

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-7882. EPSS is 0.33%. Act only if a listed version of Mercusys MW301R is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Low2.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.33%
Remediation
Vendor / distro source
Affected products
vendor Mercusys MW301R 1.0.2 Build 190726 Rel.59423n

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Mercusys MW301R 1.0.2 Build 190726 Rel.59423n1.0.2 Build 190726 Rel.59423n

How to fix CVE-2025-7882

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-7882. EPSS is 0.33%. Act only if a listed version of Mercusys MW301R is installed.

Which versions are affected?

Compare what you have installed with Mercusys MW301R 1.0.2 Build 190726 Rel.59423n 1.0.2 Build 190726 Rel.59423n. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 20, 2025 · EUVD

    Detected

    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 dif

  2. Jul 21, 2025 · EUVD

    Updated

    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 dif

Sources

  • CVE.orgVulnerability recordCVE-2025-7882

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-7882

    30-day exploitation probability 0.33%

    first.org
  • EUVDVulnerability recordEUVD-2025-22004

    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 onl

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 21, 2026