CVE-2026-18587highCWE-77CWE-78

CVE-2026-18587: high-severity vulnerability in Wavlink WL-NU516U1

Wavlink WL-NU516U1 Config Import os command injection

Published

Follow this CVE+ Monitor WL-NU516U1

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.7epss 2.0%
A flaw has been found in Wavlink WL-NU516U1 708c073-mt7628. The impacted element is an unknown function of the component Config Import. Executing a manipulation of the argument Password can lead to os command injection. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is regarded as difficult. The exploit has been published and may be used. It is advisable to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Affected products
Wavlink · WL-NU516U1
Related CVEs — Wavlink WL-NU516U1

In the same product, most dangerous first.

CVE-2026-3662MEDIUMWavlink WL-NU516U1 adm.cgi usb_p910 command injectionEPSS 20.3%CVE-2026-3661MEDIUMWavlink WL-NU516U1 adm.cgi ota_new_upgrade command injectionEPSS 19.7%CVE-2025-10775MEDIUMWavlink WL-NU516U1 login.cgi sub_4012A0 os command injectionEPSS 16.7%CVE-2026-3612HIGHWavlink WL-NU516U1 OTA Online Upgrade adm.cgi sub_405AF4 command injectionEPSS 14.3%CVE-2026-2615HIGHWavlink WL-NU516U1 firewall.cgi singlePortForwardDelete command injectionEPSS 13.4%CVE-2025-9149MEDIUMWavlink WL-NU516U1 wireless.cgi sub_4032E4 command injectionEPSS 5.1%