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High severity · published May 26, 2021
CVE-2021-32457
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…
7.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
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 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HN
Home Network Security · Trendmicro
through 6.6.604 · source: NVD
Affected product
HN
Home Network Security
Trendmicro
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32457
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32457
Vendor Advisory
https://helpcenter.trendmicro.com/en-us/article/TMKA-10337
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1230
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