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CRITICALCVE-2026-9457Published Modified CNA VulDB

CVE-2026-9457: Totolink A8000RU Web Management cstecgi.cgi UploadFirmwareFile os command injection

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.

Metrics

CVSS v4.0
9.3
Severity
CRITICAL
Fixed in
Affected Products
1
Affected packages
  • Totolink / A8000RU
    7.1cu.643_b20200521
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P