NULL pointer dereference in Wavlink Wl-Wn592ax6
CVE-2026-109107
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Wavlink Wl-Wn592ax6 — versions 250422
Weakness classification (CWE)
References
- vuldb.com/vuln/416858 (technical-description, vdb-entry)
- vuldb.com/vuln/416858/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-109107 (third-party-advisory)
- vuldb.com/submit/907371 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-109107?
- CVE-2026-109107 is a medium-severity vulnerability in Wavlink Wl-Wn592ax6, classified under Improper Resource Shutdown or Release. CVSS score: 6.5/10. Published 2026-10-13.
- How severe is CVE-2026-109107?
- Medium severity. CVSS v3 base score is 6.5 out of 10.