Buffer overflow in Trend Micro Home Network Security
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 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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (35.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Trend Micro Home Network Security — versions 6.6.604 and below
- Trendmicro Home Network Security
Weakness classification (CWE)
References
- helpcenter.trendmicro.com/en-us/article/TMKA-10337 (Vendor Advisory)
- talosintelligence.com/vulnerability_reports/TALOS-2021-1230 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-32457?
- CVE-2021-32457 is a high-severity vulnerability in Trend Micro Home Network Security, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-05-26.
- How severe is CVE-2021-32457?
- High severity. CVSS v3 base score is 7.8 out of 10.