CVE-2026-8189 | THREATINT

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Description

A vulnerability was found in Wavlink NU516U1 M16U1_V240425. Affected by this vulnerability is the function wzdrepeater of the file /cgi-bin/adm.cgi. The manipulation of the argument wlan_bssid/sel_Automode/sel_EncrypTyp results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.

PUBLISHED Reserved 2026-05-08 | Published 2026-05-09 | Updated 2026-05-09 | Assigner VulDB

MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

OS Command Injection

Command Injection

Product status

M16U1_V240425
affected

Timeline

2026-05-08:	Advisory disclosed
2026-05-08:	VulDB entry created
2026-05-08:	VulDB entry last update

Credits

Ziyue Xie (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/362341 (VDB-362341 | Wavlink NU516U1 adm.cgi wzdrepeater os command injection) vdb-entry technical-description

vuldb.com/vuln/362341/cti (VDB-362341 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/800728 (Submit #800728 | Wavlink NU516U1 M16U1_V240425 Command Injection) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_2/2.md exploit

cve.org (CVE-2026-8189)

nvd.nist.gov (CVE-2026-8189)

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