High severity · published May 31, 2026
CVE-2026-10158
TRENDnet TEW-432BRP formPortFw stack-based overflow
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
A security flaw has been discovered in TRENDnet TEW-432BRP 3.10B20. Affected is the function formPortFw of the file /goform/formPortFw. The manipulation of the argument server_name results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor explains: "This product has been EOL for 15 years (since 2009). As the item has been EOL for such a long time, we are not able to replicate or fix any vulnerabilities." 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:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% 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-2026-10158
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-10158
github.com
https://github.com/wudipjq/my_vuln/blob/main/TRENDnet/vuln_11/11.md
vuldb.com
https://vuldb.com/submit/814768
vuldb.com
https://vuldb.com/vuln/367411
vuldb.com
https://vuldb.com/vuln/367411/cti
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