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Fencer Vulns
high 8.0

CVE-2022-2487 in the critical feed json

WAVLINK WN535K2/WN535K3 nightled.cgi os command injection

published 2022-07-20 4 y ago modified 2026-06-17 4 mo 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.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

79.30% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 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.