CVE-2026-18587

Wavlink WL-NU516U1 Config Import os command injection

HIGH
7.5
CVSS Score
Published: August 3, 2026 at 05:45 AM UTC
Updated: October 23, 2026 at 10:10 PM UTC
2 products affected across 1 vendorWl NU516U1 FirmwareWL-NU516U1

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/385415
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/385415/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-18587
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/850494

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-78CWE-77

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