CVE-2025-50681 describes a denial-of-service vulnerability in igmpproxy versions prior to commit 2b30c36, affecting embedded networking environments and IoT devices that utilize this software for multicast traffic handling. A remote attacker can crash the application by sending a crafted IGMPv3 membership report packet with a malicious source address, triggering a NULL pointer dereference due to insufficient validation in the recv_igmp() function. This vulnerability carries a CVSS score of 7.5 (High), indicating it can be exploited remotely with low attack complexity, leading to a complete loss of availability. Currently, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.4CPE matchmatch criteria | cpe:2.3:a:pali:igmpproxy:0.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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