CVE-2026-76589

CRITICAL 9.9

TRENDnet TEW-755AP mycli FUN_401000 stack-based overflow

CVSS Score

9.9

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was found in TRENDnet TEW-755AP up to 20260702. Affected is the function FUN_401000 of the file /sbin/mycli. The manipulation of the argument ssid results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.

CWE	CWE-121 CWE-119
Vendor	trendnet
Product	tew-755ap
Published	Aug 19, 2026

Stay Ahead of the Next One

Get instant alerts for trendnet tew-755ap

Be the first to know when new critical vulnerabilities affecting trendnet tew-755ap are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/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-755AP

20260702

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/393085 vuldb.com: https://vuldb.com/vuln/393085/cti vuldb.com: https://vuldb.com/cve/CVE-2026-76589 vuldb.com: https://vuldb.com/submit/877845 github.com: https://github.com/meishigana/CVE/tree/main/team15_20260702/13_755ap-mycli-bof github.com: https://github.com/meishigana/CVE/blob/main/team15_20260702/13_755ap-mycli-bof/poc/poc-mycli-overflow.py

Credits

🔍 fuhanhan2015 (VulDB User)