Wavlink WL-WN592AX6 250422 /cgi-bin/upload.cgi main Cookie null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2$0-$5k2.14-

Summaryinfo

A vulnerability categorized as critical has been discovered in Wavlink WL-WN592AX6 250422. This affects the function main of the file /cgi-bin/upload.cgi. Such manipulation of the argument Cookie leads to null pointer dereference. This vulnerability is listed as CVE-2026-109107. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure.

Detailsinfo

A vulnerability was found in Wavlink WL-WN592AX6 250422 and classified as critical. Affected by this issue is the function main of the file /cgi-bin/upload.cgi. The manipulation of the argument Cookie with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is integrity, and availability.

This vulnerability is handled as CVE-2026-109107. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known.

It is declared as proof-of-concept. The vendor was contacted early about this disclosure.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/12/2026 Advisory disclosed
10/12/2026 +0 days VulDB entry created
10/12/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Confirmed

CVE: CVE-2026-109107 (🔒)
GCVE (CVE): GCVE-0-2026-109107
GCVE (VulDB): GCVE-100-416858
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/12/2026 10:38
Changes: 10/12/2026 10:38 (54)
Complete: 🔍
Submitter: aissac
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #907371: Wavlink WL-WN592AX6 M92AX6AI_V250422 Denial of Service (by aissac)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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