What is CVE-2023-31447?

CVE-2023-31447 is a vulnerability found in Draytek Vigor2620 devices before version 3.9.8.4 (and all versions of Vigor2925 devices) that allows attackers to execute arbitrary code.

What is the severity of CVE-2023-31447?

CVE-2023-31447 has a severity rating of 9.8 (Critical).

How can I fix CVE-2023-31447 on my Draytek Vigor2620 device?

To fix CVE-2023-31447, you should update your Draytek Vigor2620 device firmware to version 3.9.8.4 or later.

Where can I find more information about CVE-2023-31447?

You can find more information about CVE-2023-31447 on the official Draytek website and on the provided GitHub gist.

Vulnerability/
CVE-2023-31447

critical

9.8

CWE

21/8/2023

7/10/2024

CVE-2023-31447: Code Injection

Q: How does CVE-2023-31447 affect Draytek Vigor2620 devices?

CVE-2023-31447 allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code on Draytek Vigor2620 devices.

First published: Mon Aug 21 2023(Updated: )

user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code.

Credit: cve@mitre.org cve@mitre.org

Affected Software	Affected Version	How to fix
Draytek Vigor2620 Firmware	<3.9.8.4
Draytek Vigor2620
Draytek Vigor2625 Firmware
Draytek Vigor2625
All of
Draytek Vigor2620
Draytek Vigor2620 Firmware	<3.9.8.4
All of
Draytek Vigor2625
Draytek Vigor2625 Firmware

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Reference Links

Frequently Asked Questions

What is CVE-2023-31447?
CVE-2023-31447 is a vulnerability found in Draytek Vigor2620 devices before version 3.9.8.4 (and all versions of Vigor2925 devices) that allows attackers to execute arbitrary code.
How does CVE-2023-31447 affect Draytek Vigor2620 devices?
CVE-2023-31447 allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code on Draytek Vigor2620 devices.
What is the severity of CVE-2023-31447?
CVE-2023-31447 has a severity rating of 9.8 (Critical).
How can I fix CVE-2023-31447 on my Draytek Vigor2620 device?
To fix CVE-2023-31447, you should update your Draytek Vigor2620 device firmware to version 3.9.8.4 or later.
Where can I find more information about CVE-2023-31447?
You can find more information about CVE-2023-31447 on the official Draytek website and on the provided GitHub gist.

collector/nvd-index
agent/references
agent/author
agent/type
collector/mitre-cve
source/MITRE
agent/severity
agent/description
agent/first-publish-date
agent/event
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/last-modified-date
agent/weakness
agent/softwarecombine
agent/tags
vendor/draytek
canonical/draytek vigor2620 firmware
canonical/draytek vigor2620
canonical/draytek vigor2625 firmware
canonical/draytek vigor2625

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