CVE-2026-76589

critical

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.

References

https://vuldb.com/vuln/393085/cti

https://vuldb.com/vuln/393085

https://vuldb.com/submit/877845

https://vuldb.com/cve/CVE-2026-76589

https://github.com/meishigana/CVE/tree/main/team15_20260702/13_755ap-mycli-bof

https://github.com/meishigana/CVE/blob/main/team15_20260702/13_755ap-mycli-bof/poc/poc-mycli-overflow.py

Details

Source: Mitre, NVD

Published: 2026-08-19

Updated: 2026-08-20

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.9

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

Severity: Critical

CVSS v4

Base 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

Severity: Critical

EPSS

EPSS: 0.00614