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Description

A flaw has been found in Wavlink NU516U1 240425. The impacted element is the function sys_login1 of the file /cgi-bin/login.cgi. Executing a manipulation of the argument ipaddr can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

PUBLISHED Reserved 2026-05-09 | Published 2026-05-10 | Updated 2026-05-10 | 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

240425
affected

Timeline

2026-05-09:Advisory disclosed
2026-05-09:VulDB entry created
2026-05-09:VulDB entry last update

Credits

Ziyue Xie (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/362447 (VDB-362447 | Wavlink NU516U1 login.cgi sys_login1 os command injection) vdb-entry technical-description

vuldb.com/vuln/362447/cti (VDB-362447 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/800735 (Submit #800735 | Wavlink NU516U1 M16U1_V240425 Command Injection) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_9/9.md exploit

cve.org (CVE-2026-8230)

nvd.nist.gov (CVE-2026-8230)

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