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Vulnerabilities

Vulnerability · CVE-2025-3987

TOTOLINK n150rt_firmware Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Published Apr 27, 2025 · catalog updated Oct 19, 2025 · Totolink N150RT

Patch now

CVE-2025-3987 is in the CISA known-exploited catalog. Confirm Totolink N150RT against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Medium5.3
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
11.28%
Remediation
Remediation guidance
Affected products
vendor TOTOLINK n150rt_firmware · vendor Totolink N150RT 3.4.0-B20190525

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.

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 TOTOLINK n150rt_firmwareversion unspecified
  • vendor Totolink N150RT 3.4.0-B201905253.4.0-B20190525

How to fix CVE-2025-3987

What to do

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

Should you patch?

CVE-2025-3987 is in the CISA known-exploited catalog. Confirm Totolink N150RT against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with Totolink N150RT 3.4.0-B20190525 3.4.0-B20190525. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 11.28%. The CISA KEV listing is the exploitation evidence. 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. Oct 19, 2025 · VulnCheck KEV

    Detected

    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.

  2. Oct 19, 2025 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2025-3987

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3987

    30-day exploitation probability 11.3%

    first.org
  • EUVDVulnerability recordEUVD-2025-12424

    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 exp

    euvd.enisa.europa.eu
  • VulnCheck KEVConfirmed exploitationCVE-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 exp

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.