CVE-2025-40600

Critical

Description

Use of Externally-Controlled Format String vulnerability in the SonicOS SSL VPN interface allows a remote unauthenticated attacker to cause service disruption.

SeverityCritical
CVSS9.8
Exploit probability—
ProductSonicwall Sonicos
PublishedJul 29, 2025
First seenJul 29, 2025
Weakness typeCWE-134CWE-134

How to fix

Update
  • sonicwall sonicos7.3.0-7012 or later

Affected products

ProductAffected versionsFixed in
sonicwall sonicos7.1.1-7040 ≤ v < 7.3.0-70127.3.0-7012

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