What’s Vulnerable › Vulnerabilities

CVE-2026-18587: Wavlink WL-NU516U1 Config Import os command injection

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-03 · updated 2026-10-23
• Weakness: CWE-77

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 products

• Wavlink NU516U1: 708c073-mt7628

References

• https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-07-13-4b8a21f-mt7628-squashfs-sysupgrade.bin
• https://github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report.md
• https://vuldb.com/cve/CVE-2026-18587
• https://vuldb.com/submit/850494
• https://vuldb.com/vuln/385415
• https://vuldb.com/vuln/385415/cti
• https://vuldb.com/submit/850494

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