CVE-2023-50240 Memory corruption in WBR-6013
Remote attackers can execute arbitrary code on Realtek-based routers via stack-based buffer overflows in the RadvdInterfaceParam functionality.
- 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-2023-50240?
CVE-2023-50240 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
Two stack-based buffer overflow vulnerabilities exist in the boa set_RadvdInterfaceParam functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger these vulnerabilities.This stack-based buffer overflow is related to the `AdvDefaultPreference` request's parameter.
Which versions are affected by CVE-2023-50240?
It affects 2 products.
Products include Level1 Wbr-6013 Firmware, Realtek Rtl819x Jungle Software Development Kit.
How do I fix CVE-2023-50240?
No fix has been published for CVE-2023-50240 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-2023-50240 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-50240 exists.
Other vulnerabilities in LevelOne WBR-6013
Sources
Also known as GHSA-2qjj-5hcf-4j4c.