CVE-2025-3991

8.7 highEPSS 1.1%

High (8.7) in totolink n150rt firmware. EPSS 1.1% chance of exploitation in the next 30 days.

A vulnerability, which was classified as critical, was found in TOTOLINK N150RT 3.4.0-B20190525. This affects an unknown part of the file /boafrm/formWdsEncrypt. The manipulation of the argument submit-url leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Severity

CVSS 4.0

8.7 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWEs: CWE-120, CWE-119
Published: 2025-04-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

totolink:n150rt_firmware

References

https://github.com/fizz-is-on-the-way/Iot_vuls/tree/main/N150RT/BufferOverflow_formWdsEncrypt
https://vuldb.com/?ctiid.306327
https://vuldb.com/?id.306327
https://vuldb.com/?submit.557942
https://www.totolink.net/

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