CVE-2026-1547

MEDIUM

Totolink A7000r Firmware - Command Injection

Title source: rule

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.

References (6)

[Exploit, Third Party Advisory] https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md

View Exploit ZIP pw:eip

[Exploit, Third Party Advisory] https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc

[Permissions Required, VDB Entry] https://vuldb.com/?ctiid.343231

[Third Party Advisory, VDB Entry] https://vuldb.com/?id.343231

[Third Party Advisory, VDB Entry] https://vuldb.com/?submit.739713

[Product] https://www.totolink.net/

Scores

CVSS v3 6.3

EPSS 0.0075

EPSS Percentile 72.9%

Attack Vector NETWORK

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

Classification

CWE

CWE-74 CWE-77

Status published

Affected Products (1)

totolink/a7000r_firmware

Timeline

Published Jan 28, 2026

Tracked Since Feb 18, 2026