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Fencer Intel
critical 9.8

CVE-2020-12124 in the critical feed json

A remote command-line injection vulnerability in the /cgi-bin/live_api.cgi endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an att…

published 6y ago modified 4mo ago also EUVD-2020-4439

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
74.7%
EPSS 74.7% chance of exploitation in 30 days, percentile 99.5%
public exploits
0
none known, plus a Nuclei check

Summary

A remote command-line injection vulnerability in the /cgi-bin/live_api.cgi endpoint of the WAVLINK WN530H4 M30H4.V5030.190403 allows an attacker to execute arbitrary Linux commands as root without authentication.

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Exploit prediction

74.65% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template WAVLINK WN530H4 live_api.cgi - Command Injection nuclei detection template

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 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Intel 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.