CVE-2026-76589

TRENDnet TEW-755AP mycli FUN_401000 stack-based overflow

Published Aug 19, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Trendnet tew-755ap
Vendors & Products Trendnet tew-755ap
Type Values Removed Values Added
Description 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.
Title TRENDnet TEW-755AP mycli FUN_401000 stack-based overflow
First Time appeared Trendnet
Trendnet tew-755ap Firmware
Weaknesses CWE-119
CWE-121
CPEs cpe:2.3:o:trendnet:tew-755ap_firmware:*:*:*:*:*:*:*:*
Vendors & Products Trendnet
Trendnet tew-755ap Firmware
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.9, 'vector': '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'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
Aug 25, 2026, 2:18 PM
Reserved
Aug 19, 2026, 2:37 PM
Status
Deferred
Published
Aug 19, 2026, 10:17 PM
Modified
Aug 25, 2026, 3:16 PM