Buffer Overflow Vulnerability in Draytek Vigor 3910 Router
CVE-2024-46571

7.5HIGH

Key Information:

Vendor
Draytek
Status
Vigor3910 Firmware
Vendor
CVE Published:
18 September 2024

Summary

The Draytek Vigor 3910, specifically version 4.3.2.6, is affected by a significant buffer overflow vulnerability. This issue occurs in the sPPPSrvNm parameter located at the fwuser.cgi interface. Attackers can exploit this vulnerability by sending specially crafted inputs, potentially leading to a Denial of Service (DoS) condition. Users and administrators of affected devices are advised to review their systems and apply necessary mitigations to preserve service availability.

References

https://ink-desk-28f.notion.site/Draytek-vigor-3910-Analy...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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