Multiple TP-LINK products allow a network-adjacent unauthenticated attacker to execute arbitrary OS commands. Affected products/versions are as follows: TL-WR802N firmware versions prior to 'TL-WR802N(JP)_V4_221008', TL-WR841N firmware versions prior to 'TL-WR841N(JP)_V14_230506', and TL-WR902AC firmware versions prior to 'TL-WR902AC(JP)_V3_230506'.

An issue in the firmware update process of TP-Link TL-WR841N / TL-WA841ND V7 3.13.9 and earlier allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via uploading a crafted firmware image.

A Command Injection issue in the traceroute feature on TP-Link TL-WR841N V13 (JP) with firmware versions prior to 201216 allows authenticated users to execute arbitrary code as root via shell metacharacters, a different vulnerability than CVE-2018-12577.

Multiple cross-site scripting (XSS) vulnerabilities in the TP-LINK TL-WR841N router with firmware 3.13.9 Build 120201 Rel.54965n and earlier allow remote administrators to inject arbitrary web script or HTML via the (1) username or (2) pwd parameter to userRpm/NoipDdnsRpm.htm.

Directory traversal vulnerability in the web-based management interface on the TP-LINK TL-WR841N router with firmware 3.13.9 build 120201 Rel.54965n and earlier allows remote attackers to read arbitrary files via the URL parameter.

Directory traversal vulnerability in the web-based management feature on the TP-LINK TL-WR841N router with firmware 3.13.9 build 120201 Rel.54965n and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the PATH_INFO to the help/ URI.