CVE-2026-109157CWE-119CWE-121

CVE-2026-109157

Critical · published October 13, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
47.6
In the wild
Unconfirmed
What it is

A vulnerability was found in TRENDnet TEW-432BRP 3.10B20. Affected by this vulnerability is the function formTcpipSetup of the file /goform/formTcpipSetup. Performing a manipulation of the argument Name results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The vendor confirms: "As this router was EOL'd in 2011, we have no way of testing if such vulnerability exists. We will notify our customers of a potential vulnerability on this product." This vulnerability only affects products that are no longer supported by the maintainer.

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
0.00593 · 47.6th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-121 · Stack-based Buffer Overflow
Published
2026-10-13T15:17Z
References (5)
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 1%
    epss
  • 13 OCT 10:45Z
    TRENDnet TEW-432BRP formTcpipSetup stack-based overflow
    cvelistv5
  • 13 OCT 10:45Z
    TRENDnet TEW-432BRP formTcpipSetup stack-based overflow
    cvelistv5