Skip to content
Fencer Intel
high 8.0

CVE-2022-2487 in the critical feed json

WAVLINK WN535K2/WN535K3 nightled.cgi os command injection

published 4y ago modified 4mo ago also EUVD-2022-34746

cvss
8.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
79.3%
EPSS 79.3% chance of exploitation in 30 days, percentile 99.6%
public exploits
0
none known, plus a Nuclei check

Summary

A vulnerability has been found in WAVLINK WN535K2 and WN535K3 and classified as critical. This vulnerability affects unknown code of the file /cgi-bin/nightled.cgi. The manipulation of the argument start_hour leads to os command injection. The exploit has been disclosed to the public and may be used.

Is CVE-2022-2487 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

79.30% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Wavlink WN535K2/WN535K3 - OS Command Injection nuclei detection template
  • github.com https://github.com/1angx/webray.com.cn/blob/main/Wavlink/Wavlink%20nightled.cgi%20.md referenced PoC, tagged "exploit" by a source, unverified
  • vuldb.com https://vuldb.com/?id.204538 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • WAVLINK WN535K2
  • WAVLINK WN535K3

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.