How severe is CVE-2025-3988?

CVE-2025-3988 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-3988 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3988?

CVE-2025-3988 affects Totolink N150rt Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3988?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-3988 have an EU (EUVD) identifier?

Yes. CVE-2025-3988 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12422.

When was CVE-2025-3988 published?

CVE-2025-3988 was published on 2025-04-27 and last updated on 2026-06-17.

CVE-2025-3988

CVE-2025-3988 is a high-severity vulnerability in Totolink N150rt Firmware with a CVSS 3.x base score of 8.8. 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-120.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
CVSS v4: 8.7
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12422
Weakness: CWE-120
Affected product: Totolink N150rt Firmware
Published: 2025-04-27
Last modified: 2026-06-17

Description

A vulnerability classified as critical has been found in TOTOLINK N150RT 3.4.0-B20190525. Affected is an unknown function of the file /boafrm/formPortFw. The manipulation of the argument service_type leads to buffer overflow. 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-2025-3988?: A vulnerability classified as critical has been found in TOTOLINK N150RT 3.4.0-B20190525. Affected is an unknown function of the file /boafrm/formPortFw. The manipulation of the argument service_type leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-3988?: CVE-2025-3988 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-3988 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3988?: CVE-2025-3988 affects Totolink N150rt Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3988?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-3988 have an EU (EUVD) identifier?: Yes. CVE-2025-3988 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12422.
When was CVE-2025-3988 published?: CVE-2025-3988 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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