RCE in Totolink A720r

CVE-2025-60682

A command injection vulnerability exists in the ToToLink A720R Router firmware V4.1.5cu.614_B20230630 within the cloudupdate_check binary, specifically in the sub_402414 function that handles cloud update parameters. User-supplied 'magicid' and 'url' values are directly concatenated into shell commands and executed via system() without any sanitization or escaping. An unauthenticated remote attacker can exploit this vulnerability to execute arbitrary commands on the device.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.015 (70.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-60682?
CVE-2025-60682 is a medium-severity vulnerability in Totolink A720r, classified under Command Injection. CVSS score: 6.5/10. Published 2025-11-13.
How severe is CVE-2025-60682?
Medium severity. CVSS v3 base score is 6.5 out of 10.