CVE-2026-109107

6.5Medium

Published 13 Oct 2026 · NVD status: Deferred · AI triage by gemini-3.8-flash

6.5Medium

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Impact: Limited impact
Weakness: CWE-404, CWE-476

Impact

Remote, unauthenticated attackers can crash the web management service or trigger partial integrity loss by sending a crafted HTTP request. Public exploit code is available.

Root cause

A null pointer dereference occurs in the main function of /cgi-bin/upload.cgi when handling the Cookie argument.

Affected systems

Wavlink WL-WN592AX6 firmware version 250422

CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Fix & remediation

Check the vendor support page for an updated firmware build. In the meantime, block untrusted network access to the router's web management interface on HTTP/HTTPS.

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

A weakness has been identified in Wavlink WL-WN592AX6 250422. Affected by this issue is the function main of the file /cgi-bin/upload.cgi. This manipulation of the argument Cookie causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.

References

Source: nvd.nist.gov/vuln/detail/CVE-2026-109107