Sonicos
CVE-2026-0402
MEDIUM
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2DescriptionCVE.org
A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall.
AnalysisAI
SonicOS firewalls are vulnerable to a post-authentication out-of-bounds read that permits authenticated remote attackers to trigger a denial-of-service condition by crashing the device. The medium-severity vulnerability requires high-level privileges and has no available patch, leaving affected deployments potentially exposed until remediation is released.
Technical ContextAI
Classified as CWE-125 (Out-of-bounds Read). Affects Sonicos. A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall.
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
SonicWall SonicOS SSLVPN contains an authentication bypass vulnerability allowing remote attackers to bypass authenticat
RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (
Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). Rated critical severity (CVSS 9.8), this v
Wind River VxWorks 6.6 through vx7 has Session Fixation in the TCP component. Rated high severity (CVSS 7.5), this vulne
A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management
An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially lea
An improper authentication vulnerability has been identified in SonicWall SonicOS SSL-VPN feature, which in specific con
A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially exe
Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 3 of 4). Rated critical seve
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). Rated critical severity (CVSS
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. Rated critical severity (CVSS 9.8), this vul
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today