Is CVE-2022-35520 actively exploited?

No active exploitation of CVE-2022-35520 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-35520 be exploited remotely?

Yes. CVE-2022-35520 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-35520?

CVE-2022-35520 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2022-35520

CRITICAL

CVE-2022-35520

NVD-CWE-OtherPublished: August 10, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 api.cgi has no filtering on parameter ufconf, and this is a hidden parameter which doesn't appear in POST body, but exist in cgi binary. This leads to command injection in page /ledonoff.shtml.

NVD Source

Risk Analysis

The api.cgi script contains a command injection vulnerability via a hidden configuration parameter. This critical flaw is rated 9.8, allowing remote attackers to execute arbitrary commands.

No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.

Recommended Action

Apply the latest firmware updates from Wavlink to mitigate this command injection risk.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-35520 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.