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CVE-2025-9935

Published: Sep 3, 2025

Modified: Sep 4, 2025

PUBLISHED

CVSS v3.1

7.3

HIGH

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.

Vendor	Product	Versions
TOTOLINK	N600R	affected `4.3.0cu.7866_B20220506`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-322337 | TOTOLINK N600R cstecgi.cgi sub_4159F8 command injection

vdb-entry

technical-description

VDB-322337 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #643088 | Shenzhen Shengshi Zhongtang Technology Co., Ltd..(TOTOLINK) TOTOLINK N600R V4.3.0cu.7866_B20220506 Unauthorized Command Injection

third-party-advisory

https://github.com/mono7s/TOTOLINK/blob/main/N600R/TOTOLINK%20N600R%20Unauthorized_Command_Injection.md

exploit

https://www.totolink.net/

product

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