VDB-416859 · Submit #909182 · CVE-2026-109108

Wavlink WL-WN530BE1-A 251117 /cgi-bin/uploadVpn.cgi popen type os command injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
9.4	$0-$5k	1.47-

Summaryinfo

A vulnerability identified as very critical has been detected in Wavlink WL-WN530BE1-A 251117. This vulnerability affects the function popen of the file /cgi-bin/uploadVpn.cgi. Performing a manipulation of the argument Type results in os command injection. This vulnerability is cataloged as CVE-2026-109108. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure.

Detailsinfo

A vulnerability was found in Wavlink WL-WN530BE1-A 251117. It has been classified as very critical. This affects the function popen of the file /cgi-bin/uploadVpn.cgi. The manipulation of the argument type with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at gist.github.com. This vulnerability is uniquely identified as CVE-2026-109108. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/12/2026). The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The exploit is shared for download at gist.github.com. 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Wavlink

Name

WL-WN530BE1-A

Version

251117

License

commercial

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.9
VulDB Temp Score: 9.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

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

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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

Advisory: gist.github.com
Status: Confirmed

CVE: CVE-2026-109108 (🔒)
GCVE (CVE): GCVE-0-2026-109108
GCVE (VulDB): GCVE-100-416859
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/12/2026 10:38
Changes: 10/12/2026 10:38 (57)
Complete: 🔍
Submitter: Tarbely
Cache ID: 216::103

Submitinfo

Accepted

Submit #909182: Wavlink WL-WN530BE1-A M30BE1_V251117 Command Injection (by Tarbely)