Medium 6.3Published Aug 3, 2026

CVE-2026-18590Wavlink WL-NU516U1 Admin Password adm.cgi set_sys_adm os command injection

Updated under an hour ago (2026-10-19 08:30 UTC)

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It affects Wavlink WL-NU516U1. Add what you run to find out whether that includes you.

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Every CVE for Wavlink WL-NU516U1

Exploited in the last 30 days

A vulnerability was determined in Wavlink WL-NU516U1 708c073-mt7628. Affected is the function set_sys_adm of the file adm.cgi of the component Admin Password Handler. This manipulation causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. It is suggested 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.

CVSS: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Weakness (CWE): CWE-78, CWE-77
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Aug 3, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Wavlink WL-NU516U1 wavlink:wl-nu516u1_firmware	708c073-mt7628	CNA record

References

https://vuldb.com/vuln/385418vdb-entry, technical-description
https://vuldb.com/vuln/385418/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-18590third-party-advisory
https://vuldb.com/submit/850527third-party-advisory
https://vuldb.com/submit/850560third-party-advisory
https://github.com/oduoke567/WAVLINK-NU516U1-2026-05-1/blob/main/report2.mdbroken-link
https://dl.wavlink.com/firmware/RD/WINSTAR_NU516U1-WO-A-2026-07-13-4b8a21f-mt7628-squashfs-sysupgrade.binbroken-link, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.