CVE-2020-10824: Buffer Overflow

Published 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).

Affected Software

12 affected components
DrayTek Vigor300b Firmware<1.5.1
DrayTek Vigor300B
DrayTek Vigor3900 Firmware<1.5.1
DrayTek Vigor3900
DrayTek Vigor2960 Firmware<1.5.1
DrayTek Vigor2960
All of the following
DrayTek Vigor300b Firmware<1.5.1
DrayTek Vigor300B
All of the following
DrayTek Vigor3900 Firmware<1.5.1
DrayTek Vigor3900
All of the following
DrayTek Vigor2960 Firmware<1.5.1
DrayTek Vigor2960

Event History

Mar 26, 2020
CVE Published
via MITRE·04:04 PM
Data Sourced
via MITRE·04:04 PM
Description
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

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.

2

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.

3

What is the severity of CVE-2020-10824?

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

4

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.

5

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.

Contact

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