What is the severity of CVE-2024-21778?

CVE-2024-21778 is considered a critical vulnerability due to its potential for arbitrary code execution.

How do I fix CVE-2024-21778?

To mitigate CVE-2024-21778, it is recommended to upgrade to an unaffected version of the Realtek rtl819x Jungle SDK.

Which software versions are affected by CVE-2024-21778?

CVE-2024-21778 affects Realtek rtl819x Jungle SDK version 3.4.11 and certain versions of Level1 WBR-6013 firmware.

What types of attacks can exploit CVE-2024-21778?

An attacker can exploit CVE-2024-21778 by uploading a specially crafted .dat file to trigger the heap-based buffer overflow.

What is the impact of CVE-2024-21778?

The impact of CVE-2024-21778 includes the potential for an attacker to execute arbitrary code on the affected system.

Vulnerability/
CVE-2024-21778

high

7.2

CWE

122 119 787

8/7/2024

13/7/2024

CVE-2024-21778: Buffer Overflow

First published: Mon Jul 08 2024(Updated: )

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.

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	=rer4_a_v3411b_2t2r_lev_09_170623
Level1 WBR-6013 Firmware

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Reference Links

https://talosintelligence.com/vulnerability_reports/TALOS-2024-1911

Frequently Asked Questions

What is the severity of CVE-2024-21778?
CVE-2024-21778 is considered a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2024-21778?
To mitigate CVE-2024-21778, it is recommended to upgrade to an unaffected version of the Realtek rtl819x Jungle SDK.
Which software versions are affected by CVE-2024-21778?
CVE-2024-21778 affects Realtek rtl819x Jungle SDK version 3.4.11 and certain versions of Level1 WBR-6013 firmware.
What types of attacks can exploit CVE-2024-21778?
An attacker can exploit CVE-2024-21778 by uploading a specially crafted .dat file to trigger the heap-based buffer overflow.
What is the impact of CVE-2024-21778?
The impact of CVE-2024-21778 includes the potential for an attacker to execute arbitrary code on the affected system.

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