RCE in Totolink A720r

CVE-2022-36456

TOTOLink A720R V4.1.5cu.532_B20210610 was discovered to contain a command injection vulnerability via the username parameter in /cstecgi.cgi.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.011 (61.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink A720r
Totolink A720r_firmware — versions 4.1.5cu.532_b20210610
N/a — versions n/a

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-36456?: CVE-2022-36456 is a high-severity vulnerability in Totolink A720r, classified under OS Command Injection. CVSS score: 7.8/10. Published 2022-08-25.
How severe is CVE-2022-36456?: High severity. CVSS v3 base score is 7.8 out of 10.