CVE-2022-22274

—

CVSS 3.1

9.8 critical

EPSS

76%p99

Published

Mar 25, 2022 (Mar 25, 2022)

Modified

Jun 17, 2026

Description

A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution in the firewall.

Vendors: sonicwall
Products: sonicos, sonicosv
Weakness: CWE-121, CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (75.5%)

In the news6 stories

Zyxel Releases Patches for Critical Bug Affecting Business Firewall and VPN Devices

The Hacker NewsApr 1, 06:02 UTC · Apr 1, 2022Vulnerability in the wildCVE-2022-0342 CVE-2022-1040 CVE-2022-22274+1 CVEs

A critical RCE vulnerability Affects SonicWall Firewall appliances

Security AffairsMar 30, 18:30 UTC · Mar 30, 2022Vulnerability in the wildCVE-2022-22274

Critical SonicOS Vulnerability Affects SonicWall Firewall Appliances

The Hacker NewsMar 30, 03:44 UTC · Mar 30, 2022Vulnerability in the wildCVE-2022-22274 CVE-2022-1040

CVE-2022-22274

In the news6 stories

SonicWall warns that SonicOS bug exploited in attacks

Alert: Over 178,000 SonicWall Firewalls Potentially Vulnerable to Exploits

Over 178,000 SonicWall next-generation firewalls (NGFW) online exposed to hack

Zyxel Releases Patches for Critical Bug Affecting Business Firewall and VPN Devices

A critical RCE vulnerability Affects SonicWall Firewall appliances

Critical SonicOS Vulnerability Affects SonicWall Firewall Appliances