What’s Vulnerable › Vulnerabilities

CVE-2021-32457

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-05-26 · updated 2026-06-17
• Weakness: CWE-787

Description

Trend Micro Home Network Security version 6.6.604 and earlier is vulnerable to an iotcl stack-based buffer overflow vulnerability which could allow an attacker to issue a specially crafted iotcl to escalate privileges on affected devices. An attacker must first obtain the ability to execute low-privileged code on the target device in order to exploit this vulnerability.

Affected products

• Trend Micro Home Network Security: through 6.6.604

References

• https://helpcenter.trendmicro.com/en-us/article/TMKA-10337
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1230
• https://helpcenter.trendmicro.com/en-us/article/TMKA-10337
• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1230

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