PT-2024-9696 · Draytek · Draytek Vigor 3910

Published 2024-09-18 · Updated 2025-03-17 · CVE-2024-46568

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Draytek Vigor 3910 version 4.3.2.6

Description The issue is related to a buffer overflow in the sPeerId parameter at the "vpn.cgi" API endpoint. This allows attackers to cause a Denial of Service (DoS) via a crafted input. The vulnerability can be exploited by a remote attacker to disrupt service.

Recommendations For Draytek Vigor 3910 version 4.3.2.6, consider restricting access to the "vpn.cgi" API endpoint to minimize the risk of exploitation. As a temporary workaround, avoid using the sPeerId parameter in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2024-11411

CVE-2024-46568

Affected Products

Draytek Vigor 3910

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2024-46568 · Security Note
• https://bdu.fstec.ru/vul/2024-11411 · Security Note
• https://osv.dev/vulnerability/CVE-2024-46568 · Vendor Advisory
• https://twitter.com/CVEnew/status/1836424289966494092 · Twitter Post
• https://draytek.com/about/security-advisory/buffer-overflow-vulnerability · Note
• https://t.me/cvenotify/115034 · Telegram Post
• https://ink-desk-28f.notion.site/Draytek-vigor-3910-Analysis-Report-b3b23e150c4f4bab822c3c47fd7b9de9#41a3e5586f424ceb858a5a66836a40cb · Note
• https://incibe.es/en/incibe-cert/early-warning/vulnerabilities/cve-2024-46568 · Note
• https://t.me/cvedetector/5993 · Telegram Post