CVE-2026-15513mediumCWE-77CWE-78

CVE-2026-15513: medium-severity vulnerability in Wavlink WL-NU516U1

Wavlink WL-NU516U1 adm.cgi wlink_uci_set_value os command injection

Published · Updated

Follow this CVE+ Monitor WL-NU516U1

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

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.3epss 1.8%
A security flaw has been discovered in Wavlink WL-NU516U1 260515. This affects the function wlink_uci_set_value of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument lan_ip results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. You should 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:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
Wavlink · WL-NU516U1
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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%