Fastd

2 CVEs product

Monthly

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CVE-2025-24356 MEDIUM PATCH This Month

fastd is a VPN daemon which tunnels IP packets and Ethernet frames over UDP. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Fastd

NVD GitHub

CVSS 4.0

6.9

EPSS

0.4%

CVE-2020-27638 HIGH PATCH This Week

receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type code. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Denial Of Service Fastd Debian Linux Fedora

NVD GitHub

CVSS 3.1

7.5

EPSS

2.3%

CVE-2025-24356

EPSS 0% CVSS 6.9

MEDIUM PATCH This Month

Denial Of Service Fastd

NVD GitHub

CVE-2020-27638

EPSS 2% CVSS 7.5

HIGH PATCH This Week

Denial Of Service Fastd Debian Linux +1

NVD GitHub