CVE-2022-2487

Medium PUBLISHED

WAVLINK WN535K2/WN535K3 nightled.cgi os command injection

WAVLINK · WN535K2, WN535K3

Not yet in CISA KEV

Exploited in the wild PoC available

Recommended Action

Treat as actively exploited. Assess exposure, apply compensating controls where patching is delayed, and monitor for abuse.

Confidence
Medium
Exploitation Status
Exploited in the wild
Observed in Sensors
No
Attempts (30d)
Unique Attacker IPs
CISA KEV
Not yet in CISA KEV
CVSS / EPSS
8.0 High EPSS 94.2%

At a Glance

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.

nuclei_scanner
Published
Jul 20, 2022
First Seen
Jun 05, 2025
CVSS
8.0 High
EPSS
94.2%
Low complexity No user interaction

Recommended Actions

  • Treat as actively exploited. Assess exposure, apply compensating controls where patching is delayed, and monitor for abuse.
  • Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
  • Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.