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Vulnerabilities

Vulnerability · CVE-2025-3989

A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525.

Published Apr 27, 2025 · catalog updated Apr 28, 2025 · Totolink N150RT

Check if you run it

No confirmed exploitation is on record for CVE-2025-3989. EPSS is 1.04%. Act only if a listed version of Totolink N150RT is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.04%
Remediation
Vendor / distro source
Affected products
vendor Totolink N150RT 3.4.0-B20190525

A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this vulnerability is an unknown functionality of the file /boafrm/formStaticDHCP. The manipulation of the argument Hostname leads to buffer overflow. The attack can be launched 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 3.4.0-B201905253.4.0-B20190525

How to fix CVE-2025-3989

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-2025-3989. EPSS is 1.04%. Act only if a listed version of Totolink N150RT is installed.

Which versions are affected?

Compare what you have installed with Totolink N150RT 3.4.0-B20190525 3.4.0-B20190525. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 1.04%. 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. Apr 27, 2025 · EUVD

    Detected

    A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this vulnerability is an unknown functionality of the file /boafrm/formStaticDHCP. The manipulation of the argument Hostname leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

  2. Apr 28, 2025 · EUVD

    Updated

    A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this vulnerability is an unknown functionality of the file /boafrm/formStaticDHCP. The manipulation of the argument Hostname leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Sources

  • CVE.orgVulnerability recordCVE-2025-3989

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3989

    30-day exploitation probability 1.0%

    first.org
  • EUVDVulnerability recordEUVD-2025-12425

    A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this vulnerability is an unknown functionality of the file /boafrm/formStaticDHCP. The manipulation of the argument Hostname leads to buffer overflow. The attack can be launched remot

    euvd.enisa.europa.eu

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.