How severe is CVE-2025-3994?

CVE-2025-3994 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-3994 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3994?

CVE-2025-3994 affects Totolink N150rt Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3994?

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

Does CVE-2025-3994 have an EU (EUVD) identifier?

Yes. CVE-2025-3994 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12410.

When was CVE-2025-3994 published?

CVE-2025-3994 was published on 2025-04-28 and last updated on 2026-06-17.

CVE-2025-3994

CVE-2025-3994 is a low-severity vulnerability in Totolink N150rt Firmware with a CVSS 3.x base score of 2.4. 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-79.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
CVSS v2: 3.3
CVSS v4: 4.8
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12410
Weakness: CWE-79
Affected product: Totolink N150rt Firmware
Published: 2025-04-28
Last modified: 2026-06-17

Description

A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525. It has been classified as problematic. Affected is an unknown function of the file /home.htm of the component IP Port Filtering. The manipulation of the argument Comment leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-3994?: A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525. It has been classified as problematic. Affected is an unknown function of the file /home.htm of the component IP Port Filtering. The manipulation of the argument Comment leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-3994?: CVE-2025-3994 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-3994 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3994?: CVE-2025-3994 affects Totolink N150rt Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3994?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3994 have an EU (EUVD) identifier?: Yes. CVE-2025-3994 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12410.
When was CVE-2025-3994 published?: CVE-2025-3994 was published on 2025-04-28 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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