# CVE-2026-75784

## Summary

- **CVE ID:** CVE-2026-75784
- **Severity:** CRITICAL
- **CVSS Score:** 10 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P)
- **CWE:** CWE-121, CWE-119
- **Published:** Aug 18, 2026
- **Last Modified:** Aug 20, 2026

## Description

A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of the file /usr/nginx/sbin/nginx of the component HTTP Header Handler. The manipulation of the argument Server results in stack-based buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.

## Affected Products

- TRENDnet — TEW-WLC100 (1v2.07b01)

## References

- [CNA](https://vuldb.com/vuln/391525)
- [CNA](https://vuldb.com/vuln/391525/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-75784)
- [CNA](https://vuldb.com/submit/877773)
- [CNA](https://github.com/meishigana/CVE/tree/main/team15_20260702/02_wlc100-nginx)
- [CNA](https://github.com/meishigana/CVE/blob/main/team15_20260702/02_wlc100-nginx/poc/poc-nginx-overflow.py)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.02%
- **EPSS Percentile:** 61.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._