TP-Link Archer AX21 (AX1800) is a Dual-Band WiFi 6 router.
TP-Link Archer AX21 could allow a remote attacker to execute arbitrary commands on the system, caused by a flaw in the country form of the /cgi-bin/luci;stok=/locale endpoint on the web management interface.
By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
POST /cgi-bin/luci/;stok=/locale?form=country PAYLOAD - operation=write&country=$(id>/tmp/out)
By turning this into a traffic file and matching rule, we are able to detect attempts to execute arbitrary commands on the system.
Idappcom have created signature 8023644 along with a traffic file for this vulnerability.
If you are concerned that your business may be at risk of this vulnerability or others why not try out our Traffic IQ software which can scan your defences and report any issues. Learn more here: https://www.idappcom.co.uk/traffic-iq-professional