CVE-2026-1547

6.3 MEDIUM
Published: January 28, 2026 Modified: February 09, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md
Source: cna@vuldb.com
Exploit Third Party Advisory
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc
Source: cna@vuldb.com
Exploit Third Party Advisory
https://vuldb.com/?ctiid.343231
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.343231
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.739713
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://www.totolink.net/
Source: cna@vuldb.com
Product
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Third Party Advisory
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Third Party Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.3 / 10.0
EPSS (Exploit Probability)
0.8%
73th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-74 CWE-77 CWE-77

Affected Vendors

totolink

Related CVEs

CVE-2026-4565 8.8
CVE-2026-4564 4.7
CVE-2026-4563 4.3
CVE-2026-4562 7.3
CVE-2026-2580 7.5