High 8.8Published Aug 3, 2026

CVE-2026-18607Wavlink NU516 lighttpd upload.cgi strcpy stack-based overflow

Updated under an hour ago (Oct 26, 2026, 5:30 PM ET)

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It affects Wavlink WN572 and 11 other products. 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 WN572

Exploited in the last 30 days

A security vulnerability has been detected in Wavlink WN572, WN570H, WN573, WN529, WN530, WN531, WN535, etc. WN529, WN530, WN531, WN535, WN536, WN551, WN557 and NU516 up to 20260609. Affected by this issue is the function strcpy of the file upload.cgi of the component lighttpd. The manipulation of the argument HTTP_COOKIE leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Weakness (CWE): CWE-121, CWE-119
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 WN572 wavlink:wn572	20260609	CNA record
Wavlink WN570H wavlink:wn570h	20260609	CNA record
Wavlink WN573 wavlink:wn573	20260609	CNA record
Wavlink WN529 wavlink:wn529	20260609	CNA record
Wavlink WN530 wavlink:wn530	20260609	CNA record
Wavlink WN531 wavlink:wn531	20260609	CNA record
Wavlink WN535 wavlink:wn535	20260609	CNA record
Wavlink etc. WN529 wavlink:etc._wn529	20260609	CNA record
Wavlink WN536 wavlink:wn536	20260609	CNA record
Wavlink WN551 wavlink:wn551	20260609	CNA record
1–10 of 12

References

References

https://vuldb.com/vuln/385530	vdb-entry, technical-description
https://vuldb.com/vuln/385530/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-18607	third-party-advisory
https://vuldb.com/submit/852637	third-party-advisory
https://github.com/0xcc12138/WAVLINK-vul	exploit

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.