CVE-2026-75784

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 4.0

9.3CVSS: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

CVSS 3.1

10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS

1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-121

Published

2026-08-18

Modified

2026-10-22

Record from

the NVD, synced 2026-10-23

References

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

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