CVE-2026-18607
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductWavlink Wn572
PublishedAug 3, 2026
First seenAug 3, 2026
Weakness typeCWE-121CWE-121CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wavlink wn572 | 20260609 | — |
| wavlink wn570h | 20260609 | — |
| wavlink wn573 | 20260609 | — |
| wavlink wn529 | 20260609 | — |
| wavlink wn530 | 20260609 | — |
| wavlink wn531 | 20260609 | — |
| wavlink wn535 | 20260609 | — |
| wavlink etc._wn529 | 20260609 | — |
| wavlink wn536 | 20260609 | — |
| wavlink wn551 | 20260609 | — |
| wavlink wn557 | 20260609 | — |
| wavlink nu516 | 20260609 | — |
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