CVE-2026-109107: Wavlink WL-WN592AX6 upload.cgi main null pointer dereference

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-13 · updated 2026-10-13
Weakness: CWE-404

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

Wavlink WL-WN592AX6: 250422

References

https://vuldb.com/cve/CVE-2026-109107
https://vuldb.com/submit/907371
https://vuldb.com/vuln/416858
https://vuldb.com/vuln/416858/cti
https://vuldb.com/submit/907371

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