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    CVE-2026-18589

    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.

    Published:Aug 3, 2026
    Last Modified:Aug 3, 2026
    EPS:Aug 3, 2026
    EPSS Score:0.00609
    CVSS Score:9.8

    Affected Products

    Vendor
    Wavlink
    Product
    Wl-nu516u1
    Vendor
    Wavlink
    Product
    Wl-nu516u1 Firmware

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-18590 (CVSS 2.1) — A vulnerability was determined in Wavlink WL-NU516U1 708c073-mt7628. Affected is the function set_sys_adm of t…
    CVE-2026-18588 (CVSS 9.3) — A vulnerability has been found in Wavlink WL-NU516U1 708c073-mt7628. This affects the function fgets of the fi…
    CVE-2026-18587 (CVSS 6.8) — A flaw has been found in Wavlink WL-NU516U1 708c073-mt7628. The impacted element is an unknown function of the…
    CVE-2026-15513 (CVSS 2.1) — A security flaw has been discovered in Wavlink WL-NU516U1 260515. This affects the function wlink_uci_set_valu…
    CVE-2026-13538 (CVSS 2.1) — A vulnerability was determined in Wavlink WL-NU516U1-A M16U1_V240425. The affected element is the function sub…
    CVE-2026-8230 (CVSS 2.1) — A flaw has been found in Wavlink NU516U1 240425. The impacted element is the function sys_login1 of the file /…
    CVE-2026-8229 (CVSS 2.1) — A vulnerability was detected in Wavlink NU516U1 240425. The affected element is the function WifiBasic of the …
    CVE-2026-8228 (CVSS 2.1) — A security vulnerability has been detected in Wavlink NU516U1 240425. Impacted is the function advance of the …
    CVE-2026-8227 (CVSS 2.1) — A weakness has been identified in Wavlink NU516U1 240425. This issue affects the function wzdapMesh of the fil…
    CVE-2026-8192 (CVSS 2.1) — A security flaw has been discovered in Wavlink NU516U1 M16U1_V240425. This vulnerability affects the function …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High