Medium 6.3Published May 9, 2026

CVE-2026-8190Wavlink NU516U1 adm.cgi wan os command injection

Updated under an hour ago (Oct 26, 2026, 9:50 PM ET)

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It affects Wavlink NU516U1 and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Wavlink NU516U1

Exploited in the last 30 days

A vulnerability was determined in Wavlink NU516U1 M16U1_V240425. Affected by this issue is the function wan of the file /cgi-bin/adm.cgi. This manipulation of the argument ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway is directly passed by the attacker/so we can control the ppp_username/ppp_passwd/rwan_ip/rwan_mask/rwan_gateway causes os command injection. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.

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:X/RC:R
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: Analyzed
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Wavlink NU516U1 wavlink:nu516u1 (from the name)	M16U1_V240425	CNA record
wavlink wl-nu516u1_firmware wavlink:wl-nu516u1_firmware	m16u1_v240425	NVD

References

References

https://vuldb.com/vuln/362342	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/vuln/362342/cti	signature, permissions-required, vdb-entry
https://vuldb.com/submit/800729	third-party-advisory, vdb-entry
https://github.com/wudipjq/my_vuln/blob/main/Wavlink/vuln_3/3.md	exploit, third-party-advisory

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.