CVE-2026-109109

A vulnerability was detected in Wavlink WL-WN530BE1-A 251117. This vulnerability affects the function strcpy of the file /cgi-bin/ExportAllSettings.cgi of the component Settings Export CGI. Performing a manipulation of the argument HTTP_COOKIE/X-Cmd results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure.

CVSS v3 10.0 CRITICAL
CVSS v2.0 10.0 HIGH

10.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://gist.github.com/Rauzk/9ef4fe7574e5689386cc43139f4cf9e1
https://vuldb.com/cve/CVE-2026-109109
https://vuldb.com/submit/909191
https://vuldb.com/vuln/416860
https://vuldb.com/vuln/416860/cti

Configurations

No configuration.

History

13 Oct 2026, 08:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-13 08:17

Updated : 2026-10-14 14:17

NVD link : CVE-2026-109109

Mitre link : CVE-2026-109109

CVE.ORG link : CVE-2026-109109

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

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