CVE-2026-8228 Details
Description
A security vulnerability has been detected in Wavlink NU516U1 240425. Impacted is the function advance of the file /cgi-bin/wireless.cgi. Such manipulation of the argument wlan_conf/Channel/skiplist/ieee_80211h leads to os command injection. The attack may be launched remotely. The exploit has been disclosed publicly 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 function 'advance' of the '/cgi-bin/wireless.cgi' file. This vulnerability allows remote attackers to execute arbitrary operating system commands by manipulating the 'wlan_conf', 'Channel', 'skiplist', and 'ieee_80211h' parameters. The issue arises from the parameters being directly passed to the function without proper validation, enabling exploitation through crafted requests.
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 12, 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_7/7.md | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/submit/800733 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362445 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/vuln/362445/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] |