CRITICAL

CVE-2025-9935

CVSS v3

9.8

CRITICAL

EPSS Score

2.7 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2025-9935 yet.

Full record on NVD

Description

A vulnerability was determined in TOTOLINK N600R 4.3.0cu.7866_B20220506. This vulnerability affects the function sub_4159F8 of the file /web_cste/cgi-bin/cstecgi.cgi. Executing manipulation can lead to command injection. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.

Technical details

Published: 2025-09-04

Frequently asked questions

What is CVE-2025-9935?

Is CVE-2025-9935 actively exploited?

Active exploitation of CVE-2025-9935 has not been confirmed. Its EPSS score was 2.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-9935?

CVE-2025-9935 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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