CVE-2026-8230

MEDIUM

Wavlink NU516U1 login.cgi sys_login1 os command injection

Title source: cna
STIX 2.1

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.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-362447 | Wavlink NU516U1 login.cgi sys_login1 os command injection
https://vuldb.com/vuln/362447
Signature, Permissions Required signature permissions-required
VDB-362447 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/362447/cti
Third Party Advisory third-party-advisory
Submit #800735 | Wavlink NU516U1 M16U1_V240425 Command Injection
https://vuldb.com/submit/800735

Scores

CVSS v3 6.3
EPSS 0.0035
EPSS Percentile 57.6%
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 240425
wavlink/wl-nu516u1_firmware m16u1_v240425
Published May 10, 2026
Tracked Since May 10, 2026