CVE-2024-21778 Memory corruption in WBR-6013
A heap-based buffer overflow in Realtek RTL819x SDK allows arbitrary code execution via a malicious .dat file, impacting devices using this firmware.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-21778?
CVE-2024-21778 is a high-severity memory corruption vulnerability in LevelOne WBR-6013, published on 8 Jul 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A heap-based buffer overflow vulnerability exists in the configuration file mib_init_value_array functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted .dat file can lead to arbitrary code execution. An attacker can upload a malicious file to trigger this vulnerability.
Which versions are affected by CVE-2024-21778?
It affects 2 products.
Products include Level1 Wbr-6013 Firmware, Realtek Rtl819x Jungle Software Development Kit.
How do I fix CVE-2024-21778?
No fix has been published for CVE-2024-21778 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-2024-21778 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-21778 exists.
Other vulnerabilities in LevelOne WBR-6013
Sources
Also known as GHSA-pjqw-c568-j595.