Critical severity · published Aug 18, 2026
CVE-2026-75784
TRENDnet TEW-WLC100 HTTP Header nginx FUN_0040da4c stack-based overflow
10.0
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
TEW-WLC100 · TRENDnet
1v2.07b01 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-75784
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-75784
github.com
https://github.com/meishigana/CVE/blob/main/team15_20260702/02_wlc100-nginx/poc/poc-nginx-overflow.py
github.com
https://github.com/meishigana/CVE/tree/main/team15_20260702/02_wlc100-nginx
vuldb.com
https://vuldb.com/cve/CVE-2026-75784
vuldb.com
https://vuldb.com/submit/877773
vuldb.com
https://vuldb.com/vuln/391525
vuldb.com
https://vuldb.com/vuln/391525/cti
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