CVE-2022-23919 Memory corruption in LinkHub Mesh Wifi
A stack-based buffer overflow in TCL LinkHub Mesh Wifi allows remote attackers to execute arbitrary code via a malicious network packet.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-23919?
CVE-2022-23919 is a high-severity memory corruption vulnerability in TCL LinkHub Mesh Wifi, published on 5 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A stack-based buffer overflow vulnerability exists in the confsrv set_mf_rule functionality of TCL LinkHub Mesh Wifi MS1G_00_01.00_14. A specially-crafted network packet can lead to stack-based buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability leverages the name field within the protobuf message to cause a buffer overflow.
Which versions are affected by CVE-2022-23919?
It affects 1 product.
Products include Tcl Linkhub Mesh Wifi Ac1200.
How do I fix CVE-2022-23919?
No fix has been published for CVE-2022-23919 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-23919 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-23919 exists.
Other vulnerabilities in TCL LinkHub Mesh Wifi
Sources
Also known as GHSA-mwg9-x8gx-j8gg.