What is CVE-2021-35402?

CVE-2021-35402 is a critical-severity vulnerability in Prolink Prc2402m, classified under OS Command Injection. CVSS score: 10.0/10. Published 2026-02-20.

How severe is CVE-2021-35402?

Critical severity. CVSS v3 base score is 10.0 out of 10.

RCE in Prolink Prc2402m

CVE-2021-35402

PROLiNK PRC2402M 20190909 before 2021-06-13 allows live_api.cgi?page=satellite_list OS command injection via shell metacharacters in the ip parameter (for satellite_status).

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.010 (56.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Prolink Prc2402m — versions 20190909

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

cve@mitre.org

Frequently asked questions

What is CVE-2021-35402?: CVE-2021-35402 is a critical-severity vulnerability in Prolink Prc2402m, classified under OS Command Injection. CVSS score: 10.0/10. Published 2026-02-20.
How severe is CVE-2021-35402?: Critical severity. CVSS v3 base score is 10.0 out of 10.