CVE-2026-1548

A flaw has been found in Totolink A7000R 4.1cu.4154. This impacts the function CloudACMunualUpdateUserdata of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument url causes command injection. The attack can be initiated remotely. The exploit has been published and may be used.

Score

CVSS 3.1 8.8 High

Status

Analyzed - cna@vuldb.com

Published

2026-01-28

Last modified

2026-02-23

Weaknesses

CWE-74, CWE-77

Affected products

• A7000r Firmware (Totolink)

References

• https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/02_RCE_CloudACMunualUpdateUserdata_RCE.md
• https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/02_RCE_CloudACMunualUpdateUserdata_RCE.md#poc
• https://vuldb.com/?ctiid.343232
• https://vuldb.com/?id.343232
• https://vuldb.com/?submit.739715
• https://www.totolink.net/