WAVLINK WN535K2/WN535K3 os command injection

published 2022-07-20 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34745

cvss: 8.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 30.2%; EPSS 30.2% chance of exploitation in 30 days, percentile 98%
public exploits: 0; none known, plus a Nuclei check

A vulnerability, which was classified as critical, was found in WAVLINK WN535K2 and WN535K3. This affects an unknown part of the file /cgi-bin/mesh.cgi?page=upgrade. The manipulation of the argument key 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 (2025-04-14)

Exploit prediction

30.19% chance of exploitation in the next 30 days, higher than 98% 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%20mesh.cgi.md 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

github.com /1angx/webray.com.cn/blob/main/Wavlink/Wavlink%20mesh.cgi.md
exploit, third-party-advisory
vuldb.com /?id.204537
third-party-advisory

Sources

CVE List CVE-2022-2486
NVD CVE-2022-2486

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.

Summary