Vulnerability identifier: #VU53513
Vulnerability risk: Low
CVSSv3.1: 7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Home Network Security
Hardware solutions /
Routers for home users
Vendor: Trend Micro
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improperly imposed permissions in the tdts.ko chrdev_ioctl_handle functionality. A local user can make a specially crafted IOCTL request and gain elevated privileges on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Home Network Security: 6.1.567 - 6.6.604
External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1230
http://helpcenter.trendmicro.com/en-us/article/TMKA-10337
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.