CVE-2026-75784CWE-119CWE-121

CVE-2026-75784

Critical · published August 18, 2026

CVSS v3.1
10.0
EPSS
1%
Percentile
65.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
10.0 · 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
EPSS
0.01096 · 65.3th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-08-18T19:17Z
References (6)
https://github.com/meishigana/CVE/blob/main/team15_20260702/02_wlc100-nginx/poc/poc-nginx-overflow.py · [email protected]https://github.com/meishigana/CVE/tree/main/team15_20260702/02_wlc100-nginx · [email protected]https://vuldb.com/cve/CVE-2026-75784 · [email protected]https://vuldb.com/submit/877773 · [email protected]https://vuldb.com/vuln/391525 · [email protected]https://vuldb.com/vuln/391525/cti · [email protected]
EPSS history
Timeline
  • 18 AUG 14:00Z
    TRENDnet TEW-WLC100 HTTP Header nginx FUN_0040da4c stack-based overflow
    cvelistv5