What is the severity of CVE-2023-47856?

CVE-2023-47856 is rated as critical due to its potential to enable remote code execution.

How do I fix CVE-2023-47856?

To mitigate CVE-2023-47856, upgrade to the latest version of the Realtek rtl819x Jungle SDK or apply any available patches.

What causes the vulnerability in CVE-2023-47856?

CVE-2023-47856 is caused by a stack-based buffer overflow in the boa set_RadvdPrefixParam functionality.

Can CVE-2023-47856 be exploited remotely?

Yes, CVE-2023-47856 can be exploited remotely via specially crafted network requests.

Which software is affected by CVE-2023-47856?

CVE-2023-47856 affects Realtek rtl819x Jungle SDK version 3.4.11 and specific Level1 Wbr-6013 firmware versions.

Vulnerability/
CVE-2023-47856

high

7.2

CWE

121 119 787

8/7/2024

2/8/2024

CVE-2023-47856: Buffer Overflow

First published: Mon Jul 08 2024(Updated: )

A stack-based buffer overflow vulnerability exists in the boa set_RadvdPrefixParam 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 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-2023-1892

Frequently Asked Questions

What is the severity of CVE-2023-47856?
CVE-2023-47856 is rated as critical due to its potential to enable remote code execution.
How do I fix CVE-2023-47856?
To mitigate CVE-2023-47856, upgrade to the latest version of the Realtek rtl819x Jungle SDK or apply any available patches.
What causes the vulnerability in CVE-2023-47856?
CVE-2023-47856 is caused by a stack-based buffer overflow in the boa set_RadvdPrefixParam functionality.
Can CVE-2023-47856 be exploited remotely?
Yes, CVE-2023-47856 can be exploited remotely via specially crafted network requests.
Which software is affected by CVE-2023-47856?
CVE-2023-47856 affects Realtek rtl819x Jungle SDK version 3.4.11 and specific Level1 Wbr-6013 firmware versions.

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canonical/realtek rtl819x jungle software development kit
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version/level1 wbr-6013 firmware/rer4_a_v3411b_2t2r_lev_09_170623

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