Critical severity · published Oct 13, 2026
CVE-2026-109157
TRENDnet TEW-432BRP formTcpipSetup stack-based overflow
9.9
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
TEW-432BRP · TRENDnet
3.10B20 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-109157
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-109157
vdb-entry
https://vuldb.com/vuln/416890
signature
https://vuldb.com/vuln/416890/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-109157
third-party-advisory
https://vuldb.com/submit/979590
exploit
https://github.com/wudipjq/my_vuln/blob/main/TRENDnet/vuln_21/21.md
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