CVE-2021-21941 Use after free in Anker
A use-after-free flaw in Anker Eufy Homebase 2 allows remote attackers to execute arbitrary code via crafted network packets.
- 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-2021-21941?
CVE-2021-21941 is a critical use after free vulnerability in Anker, published on 12 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A use-after-free vulnerability exists in the pushMuxer CreatePushThread functionality of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted set of network packets can lead to remote code execution.
Which versions are affected by CVE-2021-21941?
It affects 1 product.
Products include Anker Eufy Homebase 2 Firmware.
How do I fix CVE-2021-21941?
No fix has been published for CVE-2021-21941 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2021-21941 being exploited?
There is no known exploitation of CVE-2021-21941 in the wild and no public exploit code.
Other vulnerabilities in Anker
Sources
Also known as GHSA-8fwh-83cj-r97c.