Vulnerability details

CVE-2025-40601

SonicWall SonicOS

CVSS 3.1

7.5High

Official description

A Stack-based buffer overflow vulnerability in the SonicOS SSLVPN service allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.

CVSS scores

Score	Version	Source	Vector
7.5High	3.1	CISA ADP / Vulnrichment (CISA-ADP)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`

Affected products

Vendor	Product	Versions	Source
SonicWall	SonicOS	7.3.0-7012 and older versions	CVEProject cvelistV5 (CNA)
SonicWall	SonicOS	8.0.2-8011 and older versions	CVEProject cvelistV5 (CNA)

References and advisories

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0016 vendor-advisory

Kolun on Telegram @kolunsec Exploited CVEs, key news and a daily digest Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.

Details

Published: 2025-11-20
Last updated: 2025-11-20
State: Published
Assigner (CNA): sonicwall

Exploit prediction (EPSS)

0.91%

Probability of exploitation in 30 days

60.2%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Partial

Weaknesses (CWE)

CWE-121
Stack-based Buffer Overflow