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CVE-2026-1623

MEDIUM

6.3

Description

A weakness has been identified in Totolink A7000R 4.1cu.4154. Impacted is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument FileName causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

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

Published1/29/2026

Last Modified2/10/2026

Sourcenvd

Honeypot Sightings0

Affected Products

totolink:a7000rtotolink:a7000r_firmware

Weaknesses (CWE)

CWE-74CWE-77

References

https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/04_RCE_setUpgradeFW_RCE.md(cna@vuldb.com)

https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/04_RCE_setUpgradeFW_RCE.md#poc(cna@vuldb.com)

https://vuldb.com/?ctiid.343382(cna@vuldb.com)

https://vuldb.com/?id.343382(cna@vuldb.com)

https://vuldb.com/?submit.740767(cna@vuldb.com)

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

IOC Correlations

No correlations recorded

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