PT-2024-32049 · Draytek · Draytek Vigor 3910

Published 2024-09-18 · Updated 2025-03-17 · CVE-2024-46571

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Description A buffer overflow issue was discovered in the sPPPSrvNm parameter at the fwuser.cgi endpoint. This issue allows attackers to cause a Denial of Service (DoS) via a crafted input.

Recommendations For Draytek Vigor 3910 version 4.3.2.6, as a temporary workaround, consider restricting access to the fwuser.cgi endpoint to minimize the risk of exploitation. Avoid using the sPPPSrvNm parameter in the affected 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

CVE-2024-46571

Affected Products

Draytek Vigor 3910

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2024-46571 · Security Note
• https://osv.dev/vulnerability/CVE-2024-46571 · Vendor Advisory
• https://twitter.com/CVEnew/status/1836424290939605039 · Twitter Post
• https://ink-desk-28f.notion.site/Draytek-vigor-3910-Analysis-Report-b3b23e150c4f4bab822c3c47fd7b9de9#b325c78d0d4643b6a2e7703a811f1dd5 · Note
• https://t.me/cvenotify/115035 · Telegram Post
• https://t.me/cvedetector/5995 · Telegram Post