What is the severity of CVE-2023-50240?

CVE-2023-50240 is classified as a high severity vulnerability due to the potential for remote code execution.

How do I fix CVE-2023-50240?

To fix CVE-2023-50240, apply the latest updates or patches provided by Realtek for the rtl819x Jungle SDK and affected firmware.

What systems are affected by CVE-2023-50240?

CVE-2023-50240 affects the Realtek rtl819x Jungle Software Development Kit version 3.4.11 and specific firmware versions of the Level1 Wbr-6013 router.

What are the potential consequences of CVE-2023-50240?

The potential consequences of CVE-2023-50240 include unauthorized remote code execution and compromise of affected systems.

How can an attacker exploit CVE-2023-50240?

An attacker can exploit CVE-2023-50240 by sending specially crafted network requests to trigger the buffer overflow vulnerabilities.

Vulnerability/
CVE-2023-50240

high

7.2

CWE

121 119 787

8/7/2024

2/8/2024

CVE-2023-50240: Buffer Overflow

First published: Mon Jul 08 2024(Updated: )

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.

Credit: talos-cna@cisco.com

Affected Software	Affected Version	How to fix
Realtek Rtl819x Jungle Software Development Kit	=3.4.11
All of
Level1 Wbr-6013 Firmware	=rer4_a_v3411b_2t2r_lev_09_170623
Level1 Wbr-6013

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Reference Links

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1893

Frequently Asked Questions

What is the severity of CVE-2023-50240?
CVE-2023-50240 is classified as a high severity vulnerability due to the potential for remote code execution.
How do I fix CVE-2023-50240?
To fix CVE-2023-50240, apply the latest updates or patches provided by Realtek for the rtl819x Jungle SDK and affected firmware.
What systems are affected by CVE-2023-50240?
CVE-2023-50240 affects the Realtek rtl819x Jungle Software Development Kit version 3.4.11 and specific firmware versions of the Level1 Wbr-6013 router.
What are the potential consequences of CVE-2023-50240?
The potential consequences of CVE-2023-50240 include unauthorized remote code execution and compromise of affected systems.
How can an attacker exploit CVE-2023-50240?
An attacker can exploit CVE-2023-50240 by sending specially crafted network requests to trigger the buffer overflow vulnerabilities.

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