Vulnerability · Published Oct 13, 2026 · Assigned by VulDB
CVE-2026-109107Wavlink WL-WN592AX6 upload.cgi main null pointer dereference
Medium 6.5
In plain English
A medium-severity null pointer dereference in WL-WN592AX6 from Wavlink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Wavlink | WL-WN592AX6 | 250422 |
Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C
References
- VDB-416858 | Wavlink WL-WN592AX6 upload.cgi main null pointer dereference vdb-entry, technical-description
- VDB-416858 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-109107 | CVE Analysis and Report third-party-advisory
- Submit #907371 | Wavlink WL-WN592AX6 M92AX6AI_V250422 Denial of Service third-party-advisory