CVE-2026-10158

HIGH
Published May 31, 2026 Modified Jun 1, 2026 CWE-119 CWE-121

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 v3.1 Score

8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0046
Probability of exploitation
0.36%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-119 Buffer Overflow
CWE-121 CWE-121

References

Frequently Asked Questions

What is CVE-2026-10158? +
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. It has a CVSS v3.1 base score of 8.8 (HIGH).
How severe is CVE-2026-10158? +
CVE-2026-10158 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0046, placing it in the 0th percentile for exploitation probability.
How do I check if I'm vulnerable to CVE-2026-10158? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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