RCE in Totolink Ex300 V2

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.188 (97.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-32449?
CVE-2022-32449 is a critical-severity vulnerability in Totolink Ex300 V2, classified under Command Injection. CVSS score: 9.8/10. Published 2022-07-07.
How severe is CVE-2022-32449?
Critical severity. CVSS v3 base score is 9.8 out of 10.