What is CVE-2022-38535?

CVE-2022-38535 is a high-severity vulnerability in Totolink A720r, classified under OS Command Injection. CVSS score: 7.2/10. Published 2022-09-15.

How severe is CVE-2022-38535?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Totolink A720r

CVE-2022-38535

TOTOLINK-720R v4.1.5cu.374 was discovered to contain a remote code execution (RCE) vulnerability via the setTracerouteCfg function.

Vulnerability class: Command Injection (OS Command Injection)

Published 2022-09-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (80.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.021 · change: +0.003

Affected products

Totolink A720r
Totolink A720r Firmware — versions 4.1.5cu.374

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/Jfox816/TOTOLINK-720R/blob/177ee39a5a8557a6bd19586731b0e624548b67ee/… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-38535?: CVE-2022-38535 is a high-severity vulnerability in Totolink A720r, classified under OS Command Injection. CVSS score: 7.2/10. Published 2022-09-15.
How severe is CVE-2022-38535?: High severity. CVSS v3 base score is 7.2 out of 10.