CVE-2026-6483: OS Command Injection in Wavlink WL-WN530H4
A vulnerability was found in Wavlink WL-WN530H4 20220721. This vulnerability affects the function strcat/snprintf of the file /cgi-bin/internet.cgi. The manipulation results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026.04.16 is able to resolve this issue. Upgrading the affected component is recommended.
AI Analysis
Technical Summary
This vulnerability affects the Wavlink WL-WN530H4 device firmware version 20220721. It involves an OS command injection flaw in the strcat/snprintf functions of the /cgi-bin/internet.cgi script. Remote attackers can exploit this by manipulating input to execute arbitrary OS commands on the device. The vulnerability has a CVSS 4.0 base score of 8.6, indicating high severity with network attack vector, low attack complexity, and no privileges required for attack initiation. The vendor has released an updated firmware version 2026.04.16 that addresses this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device, potentially leading to full control over the device. This can compromise device integrity, confidentiality, and availability. The vulnerability is remotely exploitable without user interaction, increasing the risk of automated attacks.
Mitigation Recommendations
Upgrade the Wavlink WL-WN530H4 device firmware to version 2026.04.16 or later, as this version resolves the OS command injection vulnerability. No other official remediation or temporary fixes are documented. Patch status is confirmed by the vendor's version upgrade recommendation.
CVE-2026-6483: OS Command Injection in Wavlink WL-WN530H4
Description
A vulnerability was found in Wavlink WL-WN530H4 20220721. This vulnerability affects the function strcat/snprintf of the file /cgi-bin/internet.cgi. The manipulation results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026.04.16 is able to resolve this issue. Upgrading the affected component is recommended.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the Wavlink WL-WN530H4 device firmware version 20220721. It involves an OS command injection flaw in the strcat/snprintf functions of the /cgi-bin/internet.cgi script. Remote attackers can exploit this by manipulating input to execute arbitrary OS commands on the device. The vulnerability has a CVSS 4.0 base score of 8.6, indicating high severity with network attack vector, low attack complexity, and no privileges required for attack initiation. The vendor has released an updated firmware version 2026.04.16 that addresses this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device, potentially leading to full control over the device. This can compromise device integrity, confidentiality, and availability. The vulnerability is remotely exploitable without user interaction, increasing the risk of automated attacks.
Mitigation Recommendations
Upgrade the Wavlink WL-WN530H4 device firmware to version 2026.04.16 or later, as this version resolves the OS command injection vulnerability. No other official remediation or temporary fixes are documented. Patch status is confirmed by the vendor's version upgrade recommendation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-17T05:35:30.853Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e20fa682d89c981fca00eb
Added to database: 4/17/2026, 10:47:02 AM
Last enriched: 4/17/2026, 11:01:48 AM
Last updated: 4/17/2026, 6:11:05 PM
Views: 8
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