CVE-2021-43663

7.5 highEPSS 1.0%

High (7.5) in totolink ex300 v2 firmware. EPSS 1.0% chance of exploitation in the next 30 days.

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

Severity

7.5 high

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2022-03-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19