CVE-2022-35525
Published: 10 August 2022
Summary
CVE-2022-35525 is a critical-severity an unspecified weakness vulnerability in Wavlink Wn572Hp3 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 16.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2022-35525 affects multiple WAVLINK wireless router models including WN572HP3, WN533A8, WN530H4, WN535G3, and WN531P3. The root cause is missing input filtering on the led_switch parameter within the adm.cgi handler that serves the /ledonoff.shtml page, resulting in unauthenticated command injection.
An attacker with network access can supply a malicious led_switch value to execute arbitrary commands on the device. The vulnerability carries a CVSS 3.1 score of 9.8, reflecting that successful exploitation grants full control over confidentiality, integrity, and availability without requiring authentication or user interaction.
EPSS for this CVE rose from a low baseline to a peak of 0.0876 on 2025-01-22 before receding to the current value of 0.0187, indicating measurable post-disclosure exploitation interest. Public references consist of technical write-ups that reproduce the injection but contain no vendor patch or mitigation guidance.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-38412
Vulnerability details
WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 adm.cgi has no filtering on parameter led_switch, which leads to command injection in page /ledonoff.shtml.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.