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Vulnerability record · CVE-2026-75784 · published 18 August 2026

CVE-2026-75784: Memory buffer overflow vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 1.1% · top 35.8% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow Deferred
9.3CVSS 4.0 base score, v2 10.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
20 Aug 2026Last modified by NVD

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: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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
https://vuldb.com/vuln/391525/cti

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Source: NIST National Vulnerability Database (record CVE-2026-75784), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.