CVE-2026-76589CWE-119CWE-121

CVE-2026-76589

Critical · published August 20, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
57.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · 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
EPSS
0.00854 · 57.9th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-08-20T02:17Z
References (6)
https://github.com/meishigana/CVE/blob/main/team15_20260702/13_755ap-mycli-bof/poc/poc-mycli-overflow.py · [email protected]https://github.com/meishigana/CVE/tree/main/team15_20260702/13_755ap-mycli-bof · [email protected]https://vuldb.com/cve/CVE-2026-76589 · [email protected]https://vuldb.com/submit/877845 · [email protected]https://vuldb.com/vuln/393085 · [email protected]https://vuldb.com/vuln/393085/cti · [email protected]
EPSS history
Timeline
  • 19 AUG 21:30Z
    TRENDnet TEW-755AP mycli FUN_401000 stack-based overflow
    cvelistv5