How severe is CVE-2025-7881?

CVE-2025-7881 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-7881 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-7881?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-7881 have an EU (EUVD) identifier?

Yes. CVE-2025-7881 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22005.

When was CVE-2025-7881 published?

CVE-2025-7881 was published on 2025-07-20 and last updated on 2026-06-17.

CVE-2025-7881

CVE-2025-7881 is a low-severity vulnerability with a CVSS 3.x base score of 2.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-640.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
CVSS v2: 3.3
CVSS v4: 2.0
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22005
Weakness: CWE-640
Published: 2025-07-20
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-7881?: CVE-2025-7881 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-7881 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-7881?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-7881 have an EU (EUVD) identifier?: Yes. CVE-2025-7881 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22005.
When was CVE-2025-7881 published?: CVE-2025-7881 was published on 2025-07-20 and last updated on 2026-06-17.

References

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