A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function strcpy of the file /etc/lighttpd/www/cgi-bin/export_pingortrace.cgi of the component Export Pingortrace CGI. Executing a manipulation of the argument HTTP_COOKIE can lead to stack-based buffer overflow.
The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
wavlink:wn531p3
wavlink:wn535m1
References 5
https://vuldb.com/vuln/391205
VDB-391205 | Wavlink WN531P3/WN535M1 Export Pingortrace CGI export_pingortrace.cgi strcpy stack-based overflow
https://vuldb.com/vuln/391205/cti
VDB-391205 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/cve/CVE-2026-74843
CVE-2026-74843 | CVE Analysis and Report
https://vuldb.com/submit/875331
Submit #875331 | Wavlink WAVLINK_WN535M1-M35M1_V250922 V250922 Buffer Overflow
https://github.com/wcndsb-sketch/WAVLINK_WN535M1-M35M1_V250922-Buffer-Overflow/…
NVD