TOTOLINK A7000R cstecgi.cgi setWizardCfg buffer overflow

A vulnerability, which was classified as critical, was found in TOTOLINK A7000R 9.1.0u.6268_B20220504. Affected is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-272784. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.