CVE-2021-36706 json
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 con…
published 2021-08-06 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23301
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
2.62% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- ayrx.me https://www.ayrx.me/prolink-prc2402m-multiple-vulnerabilities/#syscmd-command-injection referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
ayrx.me
/prolink-prc2402m-multiple-vulnerabilities/#syscmd-command-injection
exploit, third-party-advisory
Sources
- CVE List CVE-2021-36706
- NVD CVE-2021-36706
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.