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SonicOS vulnerabilities
3 known CVE vulnerabilities in SonicOS, translated and rated.
- CVE-2026-0204High
A vulnerability in the access control mechanism of SonicOS may allow certain management interface functions to be accessible under specific conditions.
- CVE-2020-5135CriticalActively exploited
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. It affects SonicOS Gen 6 versions 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.
- CVE-2026-0516Medium
SonicOS contains a vulnerability related to improper neutralization of HTTP headers for scripting syntax. A remote attacker can manipulate the Host header and redirect firewall management users to arbitrary web domains.