CVE-2022-35520 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Wavlink	Wn572Hp3 Firmware	-
Wavlink	Wn572Hp3	-
Wavlink	Wn533A8 Firmware	-
Wavlink	Wn533A8	-
Wavlink	Wn530H4 Firmware	-
Wavlink	Wn530H4	-
Wavlink	Wn535G3 Firmware	-
Wavlink	Wn535G3	-
Wavlink	Wn531P3 Firmware	-
Wavlink	Wn531P3	-

References

https://github.com/TyeYeah/othercveinfo/blob/main/wavlink/README.md#wavlink-routExploitThird Party Advisory
https://github.com/TyeYeah/othercveinfo/blob/main/wavlink/README.md#wavlink-routExploitThird Party Advisory

FAQ

What is CVE-2022-35520?

CVE-2022-35520 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...

How severe is CVE-2022-35520?

CVE-2022-35520 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-35520?

Check the references section above for vendor advisories and patch information. Affected products include: Wavlink Wn572Hp3 Firmware, Wavlink Wn572Hp3, Wavlink Wn533A8 Firmware, Wavlink Wn533A8, Wavlink Wn530H4 Firmware.