CVE-2025-40600 — Use of Externally-Controlled Format String in Sonicos

CWE-134 — Use of Externally-Controlled Format String3 documents3 sources

Severity

9.8CRITICALNVD

EPSS

0.1%

top 69.71%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Sonicwall Sonicos

Timeline

PublishedJul 29

Latest updateJul 30

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDsonicwall/sonicos7.1.1-7040 — 7.3.0-7012

▶CVEListV5sonicwall/sonicos7.2.0-7015 and older versions

🔴Vulnerability Details

GHSA

GHSA-h43f-rh6w-3w65: Use of Externally-Controlled Format String vulnerability in the SonicOS SSL VPN interface allows a remote unauthenticated attacker to cause service di↗2025-07-30

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CVEList

CVE-2025-40600: Use of Externally-Controlled Format String vulnerability in the SonicOS SSL VPN interface allows a remote unauthenticated attacker to cause service di↗2025-07-29

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