CVE-2026-18590: OS Command Injection in Wavlink WL-NU516U1
A vulnerability was determined in Wavlink WL-NU516U1 708c073-mt7628. Affected is the function set_sys_adm of the file adm.cgi of the component Admin Password Handler. This manipulation causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
AI Analysis
Technical Summary
The Wavlink WL-NU516U1 device version 708c073-mt7628 contains an OS command injection vulnerability in the set_sys_adm function within the adm.cgi file, part of the Admin Password Handler component. This flaw permits remote attackers to inject and execute arbitrary operating system commands. The vulnerability has been publicly disclosed, and the vendor has issued a fixed version of the affected product. The CVSS 4.0 base score is 5.3, indicating medium severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected device, potentially compromising device integrity and confidentiality. The medium CVSS score reflects moderate impact with some conditions limiting exploitation complexity and impact scope.
Mitigation Recommendations
A fixed version of the affected product has been released by the vendor. It is recommended to upgrade to the fixed version to remediate this vulnerability. Patch status is not explicitly stated in the input data, but the vendor advisory confirms a fix is available. No additional mitigation steps are indicated.
CVE-2026-18590: OS Command Injection in Wavlink WL-NU516U1
Description
A vulnerability was determined in Wavlink WL-NU516U1 708c073-mt7628. Affected is the function set_sys_adm of the file adm.cgi of the component Admin Password Handler. This manipulation causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
CVSS v4.0
Score 5.3medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Wavlink WL-NU516U1 device version 708c073-mt7628 contains an OS command injection vulnerability in the set_sys_adm function within the adm.cgi file, part of the Admin Password Handler component. This flaw permits remote attackers to inject and execute arbitrary operating system commands. The vulnerability has been publicly disclosed, and the vendor has issued a fixed version of the affected product. The CVSS 4.0 base score is 5.3, indicating medium severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected device, potentially compromising device integrity and confidentiality. The medium CVSS score reflects moderate impact with some conditions limiting exploitation complexity and impact scope.
Mitigation Recommendations
A fixed version of the affected product has been released by the vendor. It is recommended to upgrade to the fixed version to remediate this vulnerability. Patch status is not explicitly stated in the input data, but the vendor advisory confirms a fix is available. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-02T20:33:59.442Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a704b62bf32cb7a3433eaed
Added to database: 08/03/2026, 08:03:46 UTC
Last enriched: 08/03/2026, 08:19:35 UTC
Last updated: 08/04/2026, 03:17:46 UTC
Views: 8
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