CVE-2021-31518 Denial of service in Trend Micro Home Network Security
An attacker can cause a denial-of-service on Trend Micro Home Network Security devices via a file-parsing vulnerability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-31518?
CVE-2021-31518 is a high-severity denial of service vulnerability in Trend Micro Home Network Security, published on 5 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Trend Micro Home Network Security 6.5.599 and earlier is vulnerable to a file-parsing vulnerability which could allow an attacker to exploit the vulnerability and cause a denial-of-service to the device. This vulnerability is similar, but not identical to CVE-2021-31517.
Which versions are affected by CVE-2021-31518?
It affects 1 product.
Products include Trendmicro Home Network Security.
How do I fix CVE-2021-31518?
No fix has been published for CVE-2021-31518 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-31518 being exploited?
There is no known exploitation of CVE-2021-31518 in the wild and no public exploit code.
Other vulnerabilities in Trend Micro Home Network Security
Sources
Also known as GHSA-3w9m-ph4c-w2xx.