Answer in brief
CVE-2026-18607 records a High severity (CVSS 8.8) vulnerability in Wavlink NU516 lighttpd upload.cgi strcpy stack-based overflow. The current sources do not mark it as known exploited. The current feed maps Wavlink/etc. WN529 (generic), Wavlink/NU516 (generic), Wavlink/WN529 (generic), Wavlink/WN530 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Wavlink/etc. WN529 (generic), Wavlink/NU516 (generic), Wavlink/WN529 (generic), Wavlink/WN530 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Wavlink/etc. WN529generic | 20260609 | Not reported |
| Wavlink/NU516generic | 20260609 | Not reported |
| Wavlink/WN529generic | 20260609 | Not reported |
| Wavlink/WN530generic | 20260609 | Not reported |
| Wavlink/WN531generic | 20260609 | Not reported |
| Wavlink/WN535generic | 20260609 | Not reported |
| Wavlink/WN536generic | 20260609 | Not reported |
| Wavlink/WN551generic | 20260609 | Not reported |
| Wavlink/WN557generic | 20260609 | Not reported |
| Wavlink/WN570Hgeneric | 20260609 | Not reported |
| Wavlink/WN572generic | 20260609 | Not reported |
| Wavlink/WN573generic | 20260609 | Not reported |
Published upstream
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 3, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-18607 records a High severity (CVSS 8.8) vulnerability in Wavlink NU516 lighttpd upload.cgi strcpy stack-based overflow. The current sources do not mark it as known exploited. The current feed maps Wavlink/etc. WN529 (generic), Wavlink/NU516 (generic), Wavlink/WN529 (generic), Wavlink/WN530 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Wavlink/etc. WN529 (generic), Wavlink/NU516 (generic), Wavlink/WN529 (generic), Wavlink/WN530 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Wavlink/etc. WN529generic | 20260609 | Not reported |
| Wavlink/NU516generic | 20260609 | Not reported |
| Wavlink/WN529generic | 20260609 | Not reported |
| Wavlink/WN530generic | 20260609 | Not reported |
| Wavlink/WN531generic | 20260609 | Not reported |
| Wavlink/WN535generic | 20260609 | Not reported |
| Wavlink/WN536generic | 20260609 | Not reported |
| Wavlink/WN551generic | 20260609 | Not reported |
| Wavlink/WN557generic | 20260609 | Not reported |
| Wavlink/WN570Hgeneric | 20260609 | Not reported |
| Wavlink/WN572generic | 20260609 | Not reported |
| Wavlink/WN573generic | 20260609 | Not reported |
Published upstream
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 3, 2026
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.
Quoted source text, attributed separately from HOL analysis.