WAVLINK-SA-2026-080301: Command Injection in WL-NU516U1
Abstract
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
| Product | Affected Firmware | Fixed Firmware | Availability |
|---|---|---|---|
| WL-NU516U1 Wi-Fi Router | M16U1_V251208 and earlier |
M16U1_V260713 |
Available now · Download |
Detail
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. Tracked as CVE-2026-18587 · CVSS v3.1 7.5 (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)
Solution
Update the firmware to version M16U1_V260713 or later.
Acknowledgement
Thanks to oduoke567 for reporting this vulnerability.
Reference
CVE-2026-18587 · NVD entry