PT-2026-67147 · Wavlink · Wl-Nu516U1

Oduoke · CVE-2026-18589 · Published 2026-08-03 · Updated 2026-08-03

NVD

CVSS v2.0

10

High

Base vector

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

A vulnerability was found in Wavlink WL-NU516U1 708c073-mt7628. This impacts the function change password of the file nas.cgi. The manipulation of the argument User1Passwd results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

CVE-2026-18589

Affected Products

Wl-Nu516U1

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-18589 · 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/850501 · Note
• https://vuldb.com/vuln/385417/cti · Note
• https://vuldb.com/cve/CVE-2026-18589 · Note
• https://vuldb.com/vuln/385417 · Note
• ❌ https://github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report2.md · Note, Deleted