CVE-2022-40946 Denial of service in n/a
Attackers can cause a denial of service on D-Link DIR-819 routers by sending a crafted request with a specific sys_token parameter.
- 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-2022-40946?
CVE-2022-40946 is a high-severity denial of service vulnerability in n/a, published on 16 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On D-Link DIR-819 Firmware Version 1.06 Hardware Version A1 devices, it is possible to trigger a Denial of Service via the sys_token parameter in a cgi-bin/webproc?getpage=html/index.html request.
Weakness: CWE-400
Which versions are affected by CVE-2022-40946?
It affects 1 product.
Products include Dlink Dir-819 Firmware.
How do I fix CVE-2022-40946?
No fix has been published for CVE-2022-40946 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-2022-40946 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40946 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xj5r-2vxf-3ch7.