How severe is CVE-2025-3987?

CVE-2025-3987 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-3987 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3987?

CVE-2025-3987 affects Totolink N150rt Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3987?

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

Does CVE-2025-3987 have an EU (EUVD) identifier?

Yes. CVE-2025-3987 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12424.

When was CVE-2025-3987 published?

CVE-2025-3987 was published on 2025-04-27 and last updated on 2026-06-17.

CVE-2025-3987

CVE-2025-3987 is a medium-severity vulnerability in Totolink N150rt Firmware with a CVSS 3.x base score of 6.3. 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-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12424
Weakness: CWE-77
Affected product: Totolink N150rt Firmware
Published: 2025-04-27
Last modified: 2026-06-17

Description

A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525. It has been rated as critical. This issue affects some unknown processing of the file /boafrm/formWsc. The manipulation of the argument localPin leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-3987?: A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525. It has been rated as critical. This issue affects some unknown processing of the file /boafrm/formWsc. The manipulation of the argument localPin leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-3987?: CVE-2025-3987 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-3987 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3987?: CVE-2025-3987 affects Totolink N150rt Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3987?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3987 have an EU (EUVD) identifier?: Yes. CVE-2025-3987 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12424.
When was CVE-2025-3987 published?: CVE-2025-3987 was published on 2025-04-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:totolink:n150rt_firmware:3.4.0-b20190525:*:*:*:*:*:*:*

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