CVE-2026-6483: OS Command Injection in Wavlink WL-WN530H4
CVE-2026-6483 is a high-severity OS command injection vulnerability in the Wavlink WL-WN530H4 device, specifically affecting the strcat and snprintf functions in the /cgi-bin/internet. cgi file. This vulnerability allows remote attackers to execute arbitrary OS commands. The issue affects version 20220721 and can be resolved by upgrading to version 2026. 04. 16. No official remediation level or patch link is provided in the data, but upgrading is recommended to mitigate the risk.
AI Analysis
Technical Summary
The vulnerability CVE-2026-6483 in Wavlink WL-WN530H4 version 20220721 arises from improper handling of input in the strcat and snprintf functions within the /cgi-bin/internet.cgi file, leading to OS command injection. This allows remote attackers to execute arbitrary commands on the affected device. The vulnerability has a CVSS 4.0 score of 8.6, indicating high severity with network attack vector, low attack complexity, and no user interaction required. An upgrade to version 2026.04.16 is stated to resolve the issue.
Potential Impact
Successful exploitation of this vulnerability can lead to remote execution of arbitrary OS commands on the affected device, potentially compromising device integrity and confidentiality. Given the high CVSS score and remote attack vector, this poses a significant risk to affected systems if left unpatched.
Mitigation Recommendations
Upgrade the Wavlink WL-WN530H4 device from version 20220721 to version 2026.04.16 as recommended by the vendor to remediate this OS command injection vulnerability. Patch status is not explicitly confirmed by a vendor advisory in the provided data, but the upgrade is the advised remediation step.
CVE-2026-6483: OS Command Injection in Wavlink WL-WN530H4
Description
CVE-2026-6483 is a high-severity OS command injection vulnerability in the Wavlink WL-WN530H4 device, specifically affecting the strcat and snprintf functions in the /cgi-bin/internet. cgi file. This vulnerability allows remote attackers to execute arbitrary OS commands. The issue affects version 20220721 and can be resolved by upgrading to version 2026. 04. 16. No official remediation level or patch link is provided in the data, but upgrading is recommended to mitigate the risk.
CVSS v4.0
Score 8.6high
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-6483 in Wavlink WL-WN530H4 version 20220721 arises from improper handling of input in the strcat and snprintf functions within the /cgi-bin/internet.cgi file, leading to OS command injection. This allows remote attackers to execute arbitrary commands on the affected device. The vulnerability has a CVSS 4.0 score of 8.6, indicating high severity with network attack vector, low attack complexity, and no user interaction required. An upgrade to version 2026.04.16 is stated to resolve the issue.
Potential Impact
Successful exploitation of this vulnerability can lead to remote execution of arbitrary OS commands on the affected device, potentially compromising device integrity and confidentiality. Given the high CVSS score and remote attack vector, this poses a significant risk to affected systems if left unpatched.
Mitigation Recommendations
Upgrade the Wavlink WL-WN530H4 device from version 20220721 to version 2026.04.16 as recommended by the vendor to remediate this OS command injection vulnerability. Patch status is not explicitly confirmed by a vendor advisory in the provided data, but the upgrade is the advised remediation step.
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: 4/24/2026, 4:22:24 PM
Last updated: 6/2/2026, 7:23:51 AM
Views: 53
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.