Vulnerability · Published Jul 29, 2025 · Assigned by sonicwall

CVE-2025-40600

Critical 9.8

In plain English

A critical-severity security flaw in SonicOS from SonicWall. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)1.0%top 37.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

Vendor	Product	Versions
SonicWall	SonicOS	7.2.0-7015 and older versions

Weakness: CWE-134 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0013 vendor-advisory