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CVE-2026-1548

MEDIUM

6.3

Description

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.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published1/28/2026

Last Modified2/9/2026

Sourcenvd

Honeypot Sightings0

Affected Products

totolink:a7000rtotolink:a7000r_firmware

Weaknesses (CWE)

CWE-74CWE-77CWE-77

References

https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/02_RCE_CloudACMunualUpdateUserdata_RCE.md(cna@vuldb.com)

https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/02_RCE_CloudACMunualUpdateUserdata_RCE.md#poc(cna@vuldb.com)

https://vuldb.com/?ctiid.343232(cna@vuldb.com)

https://vuldb.com/?id.343232(cna@vuldb.com)

https://vuldb.com/?submit.739715(cna@vuldb.com)

https://www.totolink.net/(cna@vuldb.com)

https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/02_RCE_CloudACMunualUpdateUserdata_RCE.md(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.