CVE-2026-1547

Totolink A7000R cstecgi.cgi setUnloadUserData command injection

Published Jan 28, 2026 CVSS 4.0 · 5.3 Medium EPSS 3.0% KEV · Not listed
Description
A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument plugin_name results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:totolink:a7000r_firmware:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Totolink a7000r Firmware
CPEs cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a7000r_firmware:4.1cu.4154:*:*:*:*:*:*:*
Vendors & Products Totolink a7000r Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Totolink
Totolink a7000r
Vendors & Products Totolink
Totolink a7000r
Type Values Removed Values Added
Description A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument plugin_name results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.
Title Totolink A7000R cstecgi.cgi setUnloadUserData command injection
Weaknesses CWE-74
CWE-77
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Feb 23, 2026, 9:02 AM
Reserved
Jan 28, 2026, 3:29 PM
Status
Analyzed
Published
Jan 28, 2026, 10:15 PM
Modified
Jun 17, 2026, 10:16 AM