CVE-2026-75784

CRITICAL 10.0

TRENDnet TEW-WLC100 HTTP Header nginx FUN_0040da4c stack-based overflow

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-121 CWE-119
Vendor	trendnet
Product	tew-wlc100
Published	Aug 18, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

TRENDnet / TEW-WLC100

1v2.07b01

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 fuhanhan2014 (VulDB User)