---
title: "CVE-2022-2487: WAVLINK WN535K2/WN535K3 nightled.cgi os… | CubePath"
description: "A vulnerability has been found in WAVLINK WN535K2 and WN535K3 and classified as critical. This vulnerability affects unknown code of the file…"
language: en
source: https://cubepath.com/security/cve/CVE-2022-2487
---

# CVE-2022-2487: WAVLINK WN535K2/WN535K3 nightled.cgi os… | CubePath

## Description

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.

Official description from the CVE record, published by VulDB. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2022-2487)

## Key data

### CVSS 3.1 High 8.0

Score published by VulDB in the CVE record.

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

| Metric                 | Value     | What it means                                                                         |
| ---------------------- | --------- | ------------------------------------------------------------------------------------- |
| Attack vector          | Adjacent  | The attacker needs to be on the same shared network segment or a closely related one. |
| Attack complexity      | Low       | No special conditions are needed. The attack can be repeated at will.                 |
| Privileges required    | Low       | A basic user account is needed.                                                       |
| User interaction       | None      | No action from any user is needed.                                                    |
| Scope                  | Unchanged | The impact stays within the vulnerable component.                                     |
| Confidentiality impact | High      | Serious or total effect on the secrecy of data.                                       |
| Integrity impact       | High      | Serious or total effect on the trustworthiness of data.                               |
| Availability impact    | High      | Serious or total effect on availability.                                              |

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) .

### EPSS

Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.

Score

0.79304 (79.3% probability)

Percentile

99.6%

Scores of

Nov 10, 2026

Model

v2026.06.15

### CISA assessment as of Apr 14, 2025

Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.

Exploitation

Public proof of concept recorded by CISA

Automatable

no

Technical impact

total

### Weakness (CWE)

CWE catalog version 5.0.

CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license.

- [CWE-78](https://cwe.mitre.org/data/definitions/78.html) Improper Neutralization of Special Elements used in an OS Command

## Affected products

Products listed in the CVE record, as the CNA published them.

- WAVLINK WN535K2

  - affected: n/a
- WAVLINK WN535K3

  - affected: n/a

## References

Links listed in the CVE record. They lead to other sites, which CubePath does not control.

- [github.com/1angx/webray.com.cn/blob/main/Wavlink/Wavlink%20…](https://github.com/1angx/webray.com.cn/blob/main/Wavlink/Wavlink%20nightled.cgi%20.md)
- [vuldb.com/?id.204538](https://vuldb.com/?id.204538)

## Timeline

1. ID reserved Jul 20, 2022
2. Record published Jul 20, 2022
3. Record last updated Apr 15, 2025

## Look up another CVE

## About CubePath

CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.

[Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection)

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 20:01 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)