CVE-2021-21940 Memory corruption in Anker
A heap-based buffer overflow in Anker Eufy Homebase 2 allows remote attackers to execute arbitrary code or cause denial of service via malicious 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-2021-21940?
CVE-2021-21940 is a critical memory corruption 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 heap-based buffer overflow vulnerability exists in the pushMuxer processRtspInfo functionality of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted network packet can lead to a heap buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.
Which versions are affected by CVE-2021-21940?
It affects 1 product.
Products include Anker Eufy Homebase 2 Firmware.
How do I fix CVE-2021-21940?
No fix has been published for CVE-2021-21940 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-2021-21940 being exploited?
There is no known exploitation of CVE-2021-21940 in the wild and no public exploit code.
Other vulnerabilities in Anker
Sources
Also known as GHSA-p9h3-248j-g7gh.