CVE-2026-8230: Wavlink NU516U1 login.cgi sys_login1 os command injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-05-10 · updated 2026-07-24
Weakness: CWE-77

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.

Affected products

Wavlink NU516U1: m16u1_v240425

References

https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_9/9.md
https://vuldb.com/submit/800735
https://vuldb.com/vuln/362447
https://vuldb.com/vuln/362447/cti

Get alerted when CVE-2026-8230 or the next vulnerability affects your stack