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CVE

CWE

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CVE-2026-1547

Published: Jan 28, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

6.3

MEDIUM

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.

Vendor	Product	Versions
Totolink	A7000R	affected `4.1cu.4154`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-343231 | Totolink A7000R cstecgi.cgi setUnloadUserData command injection

vdb-entry

technical-description

VDB-343231 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #739713 | TOTOLINK A7000R V4.1cu.4154 Command Injection

third-party-advisory

https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md

exploit

https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc

exploit

https://www.totolink.net/

product

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