CVE-2026-8227 Details
Description
A weakness has been identified in Wavlink NU516U1 240425. This issue affects the function wzdapMesh of the file /cgi-bin/adm.cgi. This manipulation causes os command injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure.
An OS command injection vulnerability has been identified in the Wavlink NU516U1 USB Network Printer Server, specifically in the wzdapMesh function of the /cgi-bin/adm.cgi file. This vulnerability allows remote attackers to execute arbitrary operating system commands by manipulating certain parameters. The issue arises because the device's firmware version M16U1_V240425 does not properly sanitize input before processing it, leaving the system open to exploitation.
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_6/6.md | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/submit/800732 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362444 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362444/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 10, 2026 | New CVE Received | [email protected] |