CVE-2026-75976CWE-119CWE-121

CVE-2026-75976

Critical · published August 19, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
58.0
In the wild
Unconfirmed
What it is

A weakness has been identified in TRENDnet TEW-823DRU 1.1.02b01. Impacted is the function strcpy of the file /cgi-bin/wan.cgi of the component NVRAM. This manipulation of the argument wan_l2tp_password causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

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 · 58.0th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-08-19T04:16Z
References (6)
EPSS history
Timeline
  • 18 AUG 23:30Z
    TRENDnet TEW-823DRU NVRAM wan.cgi strcpy stack-based overflow
    cvelistv5