CVE-2023-50330 Memory corruption in WBR-6013

High 7.2 Published 8 Jul 2024 Updated 4 Nov 2025

A stack-based buffer overflow in Realtek router SDK allows remote code execution via crafted HTTP requests.

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-2023-50330?

CVE-2023-50330 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 stack-based buffer overflow vulnerability exists in the boa getInfo functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can send a series of HTTP requests to trigger this vulnerability.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2023-50330?

It affects 2 products.

Products include Level1 Wbr-6013 Firmware, Realtek Rtl819x Jungle Software Development Kit.

How do I fix CVE-2023-50330?

No fix has been published for CVE-2023-50330 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-2023-50330 being exploited?

There is no known exploitation of CVE-2023-50330 in the wild and no public exploit code.

Sources

Also known as GHSA-3jrg-7968-639r.