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Description

A vulnerability was determined in Wavlink NU516U1 M16U1_V240425. Affected by this issue is the function wan of the file /cgi-bin/adm.cgi. This manipulation of the argument ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway is directly passed by the attacker/so we can control the ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway causes os command injection. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. 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/362342 (VDB-362342 | Wavlink NU516U1 adm.cgi wan os command injection) vdb-entry technical-description

vuldb.com/vuln/362342/cti (VDB-362342 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/800729 (Submit #800729 | Wavlink NU516U1 M16U1_V240425 Command Injection) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_3/3.md exploit

cve.org (CVE-2026-8190)

nvd.nist.gov (CVE-2026-8190)

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