CVE-2021-45742

9.8 criticalEPSS 3.1%

Critical (9.8) in totolink a720r firmware. EPSS 3.1% chance of exploitation in the next 30 days.

TOTOLINK A720R v4.1.5cu.470_B20200911 was discovered to contain a command injection vulnerability in the "Main" function. This vulnerability allows attackers to execute arbitrary commands via the QUERY_STRING parameter.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2022-02-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

totolink:a720r_firmware

References

https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_3/3.md
https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_3/3.md

Check your stack JSON