Ex300 V2 Firmware Security Vulnerabilities - February

CVE-2021-43661

totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the component /home.asp.

CVE-2021-43662

totolink EX300_v2, ver V4.0.3c.140_B20210429 and A720R ,ver V4.1.5cu.470_B20200911 have an issue which causes uncontrolled resource consumption.

CVE-2021-43663

totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check.

CVE-2021-43664

totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component process forceugpo.

CVE-2022-25008

totolink EX300_v2 V4.0.3c.140_B20210429 and EX1200T V4.1.2cu.5230_B20210706 does not contain an authentication mechanism.

CVE-2022-32449

TOTOLINK EX300_V2 V4.0.3c.7484 was discovered to contain a command injection vulnerability via the langType parameter in the setLanguageCfg function. This vulnerability is exploitable via a crafted MQTT data packet.