CVE-2025-9935 - CVE House
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Status published Medium CVE-2025-9935

TOTOLINK N600R cstecgi.cgi sub_4159F8 command injection

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • b55t4ck (VulDB User)

References

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Affected Vendor

Affected Software

N600R
Vulnerable Versions:
4.3.0cu.7866_B20220506

Timeline

Official Publish: September 3rd, 2025
Last Modified: September 4th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Weaknesses (CWE)

CWE-77 CWE-74

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1105 Ingress Tool Transfer
Command and Control
T1562 Impair Defenses
Defense Evasion
T1213 Data from Information Repositories
Collection