Sonicwall Sonicos

82 CVEs affecting Sonicwall Sonicos. Latest disclosed: 2026-04-29. Critical: 15, High: 33.

Top CVEs affecting Sonicwall Sonicos
CVESeverityScorePublishedSummary
CVE-2025-40600Critical9.82025-07-29Use of Externally-Controlled Format String vulnerability in the SonicOS SSL VPN interface allows a remote unauthenticated attacker to cause service disruption.
CVE-2024-40765Critical9.82025-01-09An Integer-based buffer overflow vulnerability in the SonicOS via IPSec allows a remote attacker in specific conditions to cause Denial of Service (DoS) and po…
CVE-2024-53704Critical9.82025-01-09An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
CVE-2024-40762Critical9.82025-01-09Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in the SonicOS SSLVPN authentication token generator that, in certain cases, can be predict…
CVE-2024-40766Critical9.82024-08-23An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially leading to unauthorized resource access an…
CVE-2024-22394Critical9.82024-02-08An improper authentication vulnerability has been identified in SonicWall SonicOS SSL-VPN feature, which in specific conditions could allow a remote attacker t…
CVE-2022-22274Critical9.82022-03-25A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potent…
CVE-2020-5135Critical9.82020-10-12A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malici…
CVE-2019-12261Critical9.82019-08-09Wind River VxWorks 6.7 though 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 3 of 4). This is an IPNET security vulnerability: TCP Urgent Pointe…
CVE-2019-12260Critical9.82019-08-09Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state con…
CVE-2019-12255Critical9.82019-08-09Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). This is a IPNET security vulnerability: TCP Urgent Pointer = 0 that leads to an i…
CVE-2019-12256Critical9.82019-08-09Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. There is an IPNET security vulnerability: Stack overflow in the parsing of IPv4 pac…
CVE-2019-7475Critical9.82019-04-02A vulnerability in SonicWall SonicOS and SonicOSv with management enabled system on specific configuration allow unprivileged user to access advanced routing s…
CVE-2024-12802Critical9.12025-01-09SSL-VPN MFA Bypass in SonicWALL SSL-VPN can arise in specific cases due to the separate handling of UPN (User Principal Name) and SAM (Security Account Manager…
CVE-2024-3596Critical9.02024-07-09RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject, or Access…
CVE-2023-41715High8.82023-10-17SonicOS post-authentication Improper Privilege Management vulnerability in the SonicOS SSL VPN Tunnel allows users to elevate their privileges inside the tunne…
CVE-2023-1101High8.82023-03-02SonicOS SSLVPN improper restriction of excessive MFA attempts vulnerability allows an authenticated attacker to use excessive MFA codes.
CVE-2021-20048High8.82022-01-10A Stack-based buffer overflow in the SonicOS SessionID HTTP response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potenti…
CVE-2021-20046High8.82022-01-10A Stack-based buffer overflow in the SonicOS HTTP Content-Length response header allows a remote authenticated attacker to cause Denial of Service (DoS) and po…
CVE-2019-12257High8.82019-08-09Wind River VxWorks 6.6 through 6.9 has a Buffer Overflow in the DHCP client component. There is an IPNET security vulnerability: Heap overflow in DHCP Offer/AC…