What is CVE-2020-10824?

CVE-2020-10824 is a stack-based buffer overflow vulnerability in the /cgi-bin/activate.cgi script on Draytek Vigor3900, Vigor2960, and Vigor300B devices before version 1.5.1.

How does CVE-2020-10824 work?

CVE-2020-10824 allows remote attackers to execute arbitrary code by sending a specially crafted HTTP request to the target device's /cgi-bin/activate.cgi script.

What is the severity of CVE-2020-10824?

CVE-2020-10824 has a severity rating of 9.8 (Critical).

Which devices are affected by CVE-2020-10824?

Draytek Vigor3900, Vigor2960, and Vigor300B devices before version 1.5.1 are affected by CVE-2020-10824.

How can I fix CVE-2020-10824?

To fix CVE-2020-10824, update the firmware of the affected Draytek Vigor devices to version 1.5.1 or newer.

Vulnerability/
CVE-2020-10824

critical

9.8

CWE

787 119

26/3/2020

23/6/2020

CVE-2020-10824: Buffer Overflow

First published: Thu Mar 26 2020(Updated: )

A stack-based buffer overflow in /cgi-bin/activate.cgi through ticket parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request (issue 2 of 3).

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Draytek Vigor300b Firmware	<1.5.1
Draytek Vigor300b
Draytek Vigor3900 Firmware	<1.5.1
DrayTek Vigor3900
Draytek Vigor2960 Firmware	<1.5.1
DrayTek Vigor2960

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Frequently Asked Questions

What is CVE-2020-10824?
CVE-2020-10824 is a stack-based buffer overflow vulnerability in the /cgi-bin/activate.cgi script on Draytek Vigor3900, Vigor2960, and Vigor300B devices before version 1.5.1.
How does CVE-2020-10824 work?
CVE-2020-10824 allows remote attackers to execute arbitrary code by sending a specially crafted HTTP request to the target device's /cgi-bin/activate.cgi script.
What is the severity of CVE-2020-10824?
CVE-2020-10824 has a severity rating of 9.8 (Critical).
Which devices are affected by CVE-2020-10824?
Draytek Vigor3900, Vigor2960, and Vigor300B devices before version 1.5.1 are affected by CVE-2020-10824.
How can I fix CVE-2020-10824?
To fix CVE-2020-10824, update the firmware of the affected Draytek Vigor devices to version 1.5.1 or newer.

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