CVE-2026-3439: Stack-based Buffer Overflow

A post-authentication Stack-based Buffer Overflow vulnerability in SonicOS certificate handling allows a remote attacker to crash a firewall...

SonicWall SonicOS Multiple Post-Authentication Vulnerabilities (SNWLID-2026-0001)

According to its self-reported version, the remote SonicWall firewall is running a version of SonicOS that is affected by multiple vulnerabilities, including: - Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds...

CVE-2026-0400

A post-authentication Format String vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0402

A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0399

Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API endpoint...

CVE-2026-0401

A post-authentication NULL Pointer Dereference vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0401

A post-authentication NULL Pointer Dereference vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0402

A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0401

A post-authentication NULL Pointer Dereference vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0400

A post-authentication Format String vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0402

A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0400

A post-authentication Format String vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0399

Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API endpoint...

CVE-2026-0399

Multiple post-authentication stack-based buffer overflow vulnerabilities in the SonicOS management interface due to improper bounds checking in a API endpoint...

CVE-2026-0402

A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0402

A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0402

The SonicOS operating system, used in SonicWall firewall devices, contains a post-authentication Out-of-bounds Read vulnerability. This flaw stems from excessive read operations, which can be exploited by a remote attacker to crash the firewall . While the specific software versions affected are ...

CVE-2026-0402

A post-authentication Out-of-bounds Read vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0401

A post-authentication NULL Pointer Dereference vulnerability in SonicOS allows a remote attacker to crash a firewall...

CVE-2026-0401

A post-authentication NULL Pointer Dereference vulnerability exists in SonicOS , the operating system used by SonicWall firewall devices. This flaw allows a remote attacker to crash the firewall, resulting in a loss of availability. The vulnerability is part of a set of multiple post-authenticati...