CVE-2020-29557 D-Link DIR-825 R1 Devices Buffer Overflow
A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution on D-Link DIR-825 R1 devices.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-29557?
CVE-2020-29557 is a critical memory corruption vulnerability in n/a, published on 29 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.
Weakness: CWE-119
Which versions are affected by CVE-2020-29557?
It affects 1 product.
Products include Dlink Dir-825 R1 Firmware.
How do I fix CVE-2020-29557?
No fix has been published for CVE-2020-29557 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-29557 being exploited?
Yes. Attackers have exploited CVE-2020-29557 in the wild since at least 3 Nov 2021.
Sources
Also known as GHSA-x5v2-fv6f-w5rh.