CVE-2026-8188 Details
Description
A vulnerability has been found in Wavlink NU516U1 M16U1_V240425. Affected is the function change_wifi_password of the file /cgi-bin/adm.cgi. The manipulation of the argument wl_channel/wl_Pass/EncrypType leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.
A command injection vulnerability has been identified in the Wavlink NU516U1 USB Network Printer Server, specifically in the M16U1_V240425 firmware. The issue arises in the 'change_wifi_password' function of the '/cgi-bin/adm.cgi' file, where the 'wl_channel', 'wl_Pass', and 'EncrypType' arguments can be manipulated to execute arbitrary operating system commands. This vulnerability can be exploited remotely.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 11, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_1/1.md | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/submit/800727 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362340 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362340/cti | [email protected] | Permissions RequiredVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-77 | Improper Neutralization of Special Elements used in a Command ('Command Injection') | [email protected] |
| CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| wavlink wl-nu516u1 firmware | m16u1_v240425 |
CPE
Remediation
| |
| wavlink wl-nu516u1 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 13, 2026 | Initial Analysis | [email protected] |
| May 9, 2026 | New CVE Received | [email protected] |