CVE-2025-9935

5.5 mediumEPSS 2.7%

Medium (5.5) in totolink n600r firmware. EPSS 2.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.5 medium

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

CVSS 3.1

9.8 critical

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

EPSS: 2.7% chance of exploitation in the next 30 days; higher than 86% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-74
Published: 2025-09-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

totolink:n600r_firmware

References

https://github.com/mono7s/TOTOLINK/blob/main/N600R/TOTOLINK%20N600R%20Unauthorized_Command_Injection.md
https://vuldb.com/?ctiid.322337
https://vuldb.com/?id.322337
https://vuldb.com/?submit.643088
https://www.totolink.net/

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