CVE-2026-8190

MEDIUM

Wavlink NU516U1 adm.cgi wan os command injection

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-362342 | Wavlink NU516U1 adm.cgi wan os command injection
https://vuldb.com/vuln/362342
Signature, Permissions Required signature permissions-required
VDB-362342 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/362342/cti
Third Party Advisory third-party-advisory
Submit #800729 | Wavlink NU516U1 M16U1_V240425 Command Injection
https://vuldb.com/submit/800729

Scores

CVSS v3 6.3
EPSS 0.0009
EPSS Percentile 25.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-77 CWE-78
Status published
Products (2)
Wavlink/NU516U1 M16U1_V240425
wavlink/wl-nu516u1_firmware m16u1_v240425
Published May 09, 2026
Tracked Since May 09, 2026