CVE-2021-36706

9.8 criticalEPSS 2.6%

Critical (9.8) in prolink prc2402m firmware. EPSS 2.6% chance of exploitation in the next 30 days.

In ProLink PRC2402M V1.0.18 and older, the set_sys_cmd function in the adm.cgi binary, accessible with a page parameter value of sysCMD contains a trivial command injection where the value of the command parameter is passed directly to system.

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: 2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2021-08-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

prolink:prc2402m_firmware

References

https://www.ayrx.me/prolink-prc2402m-multiple-vulnerabilities/#syscmd-command-injection
https://www.ayrx.me/prolink-prc2402m-multiple-vulnerabilities/#syscmd-command-injection

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