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Critical · 9.8 CVE-2026-9457 EUVD-2026-31677GHSA-87p8-wpqj-3j8j

Totolink A8000RU Web Management cstecgi.cgi UploadFirmwareFile os command injection

Published May 25, 2026 · Updated May 26, 2026 · Assigned by VulDB

Description

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. The affected element is the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.

Affected products

VendorProductAffectedFixed
Totolink A8000RU 7.1cu.643_b20200521 —

References