Stack-Based Buffer Overflow in Draytek Vigor3900, Vigor2960, and Vigor300B Devices
CVE-2020-10824

9.8CRITICAL

Key Information:

Vendor
Draytek
Status
Vigor300b Firmware
Vendor
CVE Published:
26 March 2020

Summary

A stack-based buffer overflow vulnerability exists in the /cgi-bin/activate.cgi component of Draytek Vigor3900, Vigor2960, and Vigor300B devices prior to version 1.5.1. This flaw may allow remote attackers to trigger code execution by crafting a malicious HTTP request that exploits the vulnerable ticket parameter, leading to potential unauthorized access and control over the device.

References

https://slashd.ga/2020/03/draytek-vulnerabilities/
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https://www.draytek.com/about/security-advisory/vigor3900...
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.