CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Free accounts get a daily email of the CVEs that match up to 3 of their products on My program; subscribers get each one the moment it is published. Where the data comes from: sources.

Updated under an hour ago (Oct 29, 2026, 6:50 PM ET)

What this means for you

This week: 3,241 CVEs published, 235 critical, and 5 newly confirmed exploited. Add your stack to see whether any of them hit you.

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Start free and add your stackFree account, 3 products This week's critical CVEs Exploited in the last 30 days

Published in the last 7 days: 3,241; Show in the list
Critical, last 7 days: 235; Show in the list
Healthcare-tagged, last 7 days: 5; Show in the list
Known exploited (CISA KEV): 1,762; Show in the list

Showing CVEs that name the product sonicwall:sonicos. Show all products

16 CVEs

Showing 1 to 10.

CVE	Severity	Title	Published
CVE-2026-0516	Medium 6.5	A improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS could allow a remote attacker to manipulate the Host header and redirect firewall management users to arbitrary… Assigned by sonicwall	Aug 5, 2026
CVE-2026-0206	Medium 4.9	A post-authentication Stack-based Buffer Overflow vulnerabilities in SonicOS allows a remote attacker to crash a firewall. Assigned by sonicwall	Apr 29, 2026
CVE-2026-0205	Medium 6.8	A post-authentication Path Traversal vulnerability in SonicOS allows an attacker to interact with usually restricted services. Assigned by sonicwall	Apr 29, 2026
CVE-2026-0204	High 8.0	A vulnerability in the access control mechanism of SonicOS may allow certain management interface functions to be accessible under specific conditions. Assigned by sonicwall	Apr 29, 2026
CVE-2026-3439	Medium 4.9	A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall. Assigned by sonicwall	Mar 4, 2026
CVE-2026-0402	Medium 4.9	A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall. Assigned by sonicwall	Feb 24, 2026
CVE-2026-0401	Medium 4.9	A post-authentication NULL Pointer Dereference vulnerability in SonicOS allows a remote attacker to crash a firewall. Assigned by sonicwall	Feb 24, 2026
CVE-2026-0400	Medium 4.9	A post-authentication Format String vulnerability in SonicOS allows a remote attacker to crash a firewall. Assigned by sonicwall	Feb 24, 2026
CVE-2026-0399	Medium 4.9	Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API endpoint. Assigned by sonicwall	Feb 24, 2026
CVE-2025-40601	High 7.5	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. Assigned by sonicwall	Nov 20, 2025

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.