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Description

A vulnerability was identified in Wavlink NU516U1 M16U1_V240425. This affects the function wifi_region of the file /cgi-bin/adm.cgi. Such manipulation of the argument skiplist1/skiplist2 leads to os command injection. The attack can be launched remotely. The exploit is publicly available and might 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/362343 (VDB-362343 | Wavlink NU516U1 adm.cgi wifi_region os command injection) vdb-entry technical-description

vuldb.com/vuln/362343/cti (VDB-362343 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/800730 (Submit #800730 | Wavlink NU516U1 M16U1_V240425 Command Injection) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_4/4.md exploit

cve.org (CVE-2026-8191)

nvd.nist.gov (CVE-2026-8191)

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