What’s Vulnerable › Vulnerabilities

CVE-2022-35520

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-08-10 · updated 2026-06-17

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.

Affected products

• Wavlink Wn530H4 Firmware: all versions
• Wavlink Wn531P3 Firmware: all versions
• Wavlink Wn533A8 Firmware: all versions
• Wavlink Wn535G3 Firmware: all versions
• Wavlink Wn572Hp3 Firmware: all versions

References

• https://github.com/TyeYeah/othercveinfo/blob/main/wavlink/README.md#wavlink-router-ac1200-page-ledonoffshtml-hidden-parameter-ufconf-command-injection-in-apicgi
• https://github.com/TyeYeah/othercveinfo/blob/main/wavlink/README.md#wavlink-router-ac1200-page-ledonoffshtml-hidden-parameter-ufconf-command-injection-in-apicgi

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