CVE-2026-8188: OS Command Injection in Wavlink NU516U1
CVE-2026-8188 is a medium severity OS command injection vulnerability in the Wavlink NU516U1 device, specifically in the change_wifi_password function of /cgi-bin/adm. cgi. The vulnerability arises from improper handling of the wl_channel, wl_Pass, and EncrypType parameters, allowing remote attackers to inject OS commands. The vulnerability affects version M16U1_V240425. Although the exploit has been publicly disclosed, there is no confirmed patch or official remediation available from the vendor at this time.
AI Analysis
Technical Summary
This vulnerability in Wavlink NU516U1 M16U1_V240425 involves OS command injection via the change_wifi_password function in /cgi-bin/adm.cgi. Manipulating the wl_channel, wl_Pass, or EncrypType arguments can lead to execution of arbitrary OS commands remotely. The vulnerability has been publicly disclosed, and the vendor was contacted early, but no official fix or patch has been confirmed. The CVSS 4.0 base score is 5.3, indicating medium severity with network attack vector and low complexity.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected device, potentially compromising device integrity and confidentiality. The impact is limited to the affected firmware version M16U1_V240425 of the Wavlink NU516U1 device. There is no indication of known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict remote access to the device's administrative interface to trusted networks only. Monitor vendor communications for updates on patches or official mitigations.
CVE-2026-8188: OS Command Injection in Wavlink NU516U1
Description
CVE-2026-8188 is a medium severity OS command injection vulnerability in the Wavlink NU516U1 device, specifically in the change_wifi_password function of /cgi-bin/adm. cgi. The vulnerability arises from improper handling of the wl_channel, wl_Pass, and EncrypType parameters, allowing remote attackers to inject OS commands. The vulnerability affects version M16U1_V240425. Although the exploit has been publicly disclosed, there is no confirmed patch or official remediation available from the vendor at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Wavlink NU516U1 M16U1_V240425 involves OS command injection via the change_wifi_password function in /cgi-bin/adm.cgi. Manipulating the wl_channel, wl_Pass, or EncrypType arguments can lead to execution of arbitrary OS commands remotely. The vulnerability has been publicly disclosed, and the vendor was contacted early, but no official fix or patch has been confirmed. The CVSS 4.0 base score is 5.3, indicating medium severity with network attack vector and low complexity.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected device, potentially compromising device integrity and confidentiality. The impact is limited to the affected firmware version M16U1_V240425 of the Wavlink NU516U1 device. There is no indication of known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict remote access to the device's administrative interface to trusted networks only. Monitor vendor communications for updates on patches or official mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-08T19:52:02.937Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69ff5114cbff5d86103d002e
Added to database: 5/9/2026, 3:21:56 PM
Last enriched: 5/9/2026, 3:36:20 PM
Last updated: 5/9/2026, 4:22:47 PM
Views: 3
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