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tz270

Vendor: sonicwall

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Actively Exploited 2 CISA KEV List
PoC / Exploits 5 Code Available
Total RCEs 13 Remote Access
Total CVEs 43 Total Indexed
Avg. EPSS 7.54% Exploit Prob.
Latest CVE CVE-2026-0206 Apr 29

Security Vulnerability Index

Page 4 / 5
8.8 CVSS
CVE-2021-20046
RCE

A Stack-based buffer overflow in the SonicOS HTTP Content-Length response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in code execution in the firewall. This vulnerability affected SonicOS Gen 5, Gen 6 and Gen 7 firmware versions.

EPSS: 1.37%
6.1 CVSS
CVE-2021-20031
Exploit Found

A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.

EPSS: 36.22%
7.5 CVSS
CVE-2021-20027

A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This vulnerability affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.

EPSS: 0.43%