CVE-2026-76590: TRENDnet TEW-755AP ssi wan.cgi stack-based overflow

Published Aug 19, 2026
·
Updated

A vulnerability was identified in TRENDnet TEW-755AP up to 20260702. Affected by this issue is some unknown functionality of the file /cgi-bin/wan.cgi of the component ssi. Such manipulation of the argument cameo.wan.wanpppoepassword00 leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Affected Software

2 affected components
Trendnet TEW-755AP<=20260702
ssi/wan.cgi

Event History

Aug 19, 2026
CVE Published
via MITRE·09:45 PM
Data Sourced
via MITRE·09:45 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What access does an attacker need to exploit this issue?

The attack is remotely executable and requires low privileges (PR:L). No user interaction is required.

2

How serious is successful exploitation?

The provided vector indicates high impacts to confidentiality, integrity, and availability, with scope changed. A public exploit is available and may be used.

3

Which systems are reported as affected?

The issue is reported in TRENDnet TEW-755AP devices up to 20260702. The affected input is the cameo.wan.wan_pppoe_password_00 argument handled by /cgi-bin/wan.cgi.

Contact

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