PT-2026-67148 · Wavlink · Wl-Nu516U1

Oduoke · CVE-2026-18590 · Published 2026-08-03 · Updated 2026-08-03

NVD

CVSS v2.0

6.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

A vulnerability was determined in Wavlink WL-NU516U1 708c073-mt7628. Affected is the function set sys adm of the file adm.cgi of the component Admin Password Handler. This manipulation causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. It is suggested 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.

Fix

OS Command Injection

Command Injection

Weakness Enumeration

CWE-78

CWE-77

Related Identifiers

CVE-2026-18590

Affected Products

Wl-Nu516U1

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-18590 · Security Note
• https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-07-13-4b8a21f-mt7628-squashfs-sysupgrade.bin · Patch
• https://vuldb.com/submit/850527 · Note
• https://vuldb.com/submit/850560 · Note
• https://vuldb.com/vuln/385418/cti · Note
• ❌ https://github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report2.md · Note, Deleted
• https://vuldb.com/cve/CVE-2026-18590 · Note
• https://vuldb.com/vuln/385418 · Note