CVE-2022-46139 Denial of service in n/a
Authenticated attackers can cause a Denial of Service on TP-Link routers by uploading a crafted firmware image during updates.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-46139?
CVE-2022-46139 is a medium-severity denial of service vulnerability in n/a, published on 20 Dec 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
TP-Link TL-WR940N V4 3.16.9 and earlier allows authenticated attackers to cause a Denial of Service (DoS) via uploading a crafted firmware image during the firmware update process.
Weakness: CWE-345
Which versions are affected by CVE-2022-46139?
It affects 1 product.
Products include Tp-Link Tl-Wr940n V4 Firmware.
How do I fix CVE-2022-46139?
No fix has been published for CVE-2022-46139 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-2022-46139 being exploited?
There is no known exploitation of CVE-2022-46139 in the wild and no public exploit code.
Sources
Also known as GHSA-h3c5-f4fm-gc7h.