CVE-2025-27829

High

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.

SeverityHigh
CVSS7.3
Exploit probability—
ProductNetwork Security (SNS)
PublishedApr 1, 2025
First seenApr 1, 2025

How to fix

Update
  • Stormshield Network Security (SNS)4.3.35 or later

Affected products

ProductAffected versionsFixed in
Stormshield Network Security (SNS)4.3.x ≤ v4.3.35

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CVE-2025-27829 · Network Security (SNS) · Dark Radar