CVE-2025-27829

HIGH

Stormshield Network Security <4.3.35 - DoS

Title source: llm
STIX 2.1

Description

An issue was discovered in Stormshield Network Security (SNS) 4.3.x before 4.3.35. If multicast streams are enabled on different interfaces, it may be possible to interrupt multicast traffic on some of these interfaces. That could result in a denial of the multicast routing service on the firewall.

References (1)

Core 1
Core References

Scores

CVSS v3 7.3
EPSS 0.0024
EPSS Percentile 14.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Published Apr 01, 2025
Tracked Since Feb 18, 2026