CVE-2026-8190

MEDIUM 6.3

Wavlink NU516U1 adm.cgi wan os command injection

CVSS Score

6.3

EPSS Score

0.8%

EPSS Percentile

75th

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.

CWE	CWE-78 CWE-77
Vendor	wavlink
Product	nu516u1
Published	May 9, 2026
Last Updated	May 11, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Wavlink / NU516U1

M16U1_V240425

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/362342 vuldb.com: https://vuldb.com/vuln/362342/cti vuldb.com: https://vuldb.com/submit/800729 github.com: https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_3/3.md

Credits

🔍 Ziyue Xie (VulDB User) VulDB CNA Team