CVE-2020-10823: Buffer Overflow
First published: Thu Mar 26 2020(Updated: )
A stack-based buffer overflow in /cgi-bin/activate.cgi through var 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 1 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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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID is CVE-2020-10823.
What is the severity of CVE-2020-10823?
The severity of CVE-2020-10823 is critical with a CVSS score of 9.8.
Which devices are affected by CVE-2020-10823?
Draytek Vigor3900, Vigor2960, and Vigor300B devices before version 1.5.1 are affected by this vulnerability.
How can remote attackers exploit CVE-2020-10823?
Remote attackers can achieve code execution by sending a remote HTTP request through the var parameter in /cgi-bin/activate.cgi.
Are Draytek Vigor300B, Vigor3900, and Vigor2960 devices vulnerable?
Draytek Vigor300B, Vigor3900, and Vigor2960 devices are vulnerable to CVE-2020-10823 if they are running firmware versions before 1.5.1.
- agent/references
- agent/type
- agent/last-modified-date
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/severity
- agent/weakness
- agent/author
- agent/softwarecombine
- agent/tags
- agent/first-publish-date
- agent/description
- agent/event
- vendor/draytek
- canonical/draytek vigor300b firmware
- canonical/draytek vigor300b
- canonical/draytek vigor3900 firmware
- canonical/draytek vigor3900
- canonical/draytek vigor2960 firmware
- canonical/draytek vigor2960