CVE-2025-9935

TOTOLINK N600R cstecgi.cgi sub_4159F8 command injection

Published Sep 3, 2025 CVSS 4.0 · 6.9 Medium EPSS 2.7% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-26653 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.
History
Type Values Removed Values Added
First Time appeared Totolink n600r Firmware
CPEs cpe:2.3:h:totolink:n600r:-:*:*:*:*:*:*:*
cpe:2.3:o:totolink:n600r_firmware:4.3.0cu.7866_b20220506:*:*:*:*:*:*:*
Vendors & Products Totolink n600r Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Totolink
Totolink n600r
Vendors & Products Totolink
Totolink n600r
Type Values Removed Values Added
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.
Title TOTOLINK N600R cstecgi.cgi sub_4159F8 command injection
Weaknesses CWE-74
CWE-77
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': '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'}

cvssV3_1

{'score': 7.3, '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'}

cvssV4_0

{'score': 6.9, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Sep 4, 2025, 2:38 PM
Reserved
Sep 3, 2025, 11:34 AM
Status
Analyzed
Published
Sep 4, 2025, 10:42 AM
Modified
Jun 17, 2026, 10:10 AM