VendorsSonicWallsonicosany version
Vulnerabilities

SonicWall SonicOS any version

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

64CVEs
CVE-2024-53704
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
Published 2025-01-09 · Analyzed
9.8KEVEPSS 0.951
CVE-2022-22274
A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution in the firewall.
Published 2022-03-25 · Modified
9.8EPSS 0.755
CVE-2019-12255
Wind 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 integer underflow.
Published 2019-08-09 · Modified
9.81 PoCEPSS 0.753
CVE-2020-5135
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. This vulnerability affected SonicOS Gen 6 version 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.
Published 2020-10-12 · Analyzed
9.8KEVEPSS 0.269
CVE-2019-12256
Wind 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 packets’ IP options.
Published 2019-08-09 · Modified
9.8EPSS 0.266
CVE-2019-12260
Wind 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 confusion caused by a malformed TCP AO option.
Published 2019-08-09 · Modified
9.8EPSS 0.228
CVE-2024-40766
An improper access control vulnerability has been identified in the SonicWall SonicOS management access, potentially leading to unauthorized resource access and in specific conditions, causing the firewall to crash. This issue affects SonicWall Firewall Gen 5 and Gen 6 devices, as well as Gen 7 devices running SonicOS 7.0.1-5035 and older versions.
Published 2024-08-23 · Analyzed
9.8KEVEPSS 0.182
CVE-2019-12261
Wind 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 Pointer state confusion during connect() to a remote host.
Published 2019-08-09 · Modified
9.8EPSS 0.090
CVE-2019-7475
A vulnerability in SonicWall SonicOS and SonicOSv with management enabled system on specific configuration allow unprivileged user to access advanced routing services. This vulnerability affected SonicOS Gen 5 version 5.9.1.10 and earlier, Gen 6 version 6.2.7.3, 6.5.1.3, 6.5.2.2, 6.5.3.1, 6.2.7.8, 6.4.0.0, 6.5.1.8, 6.0.5.3-86o and SonicOSv 6.5.0.2-8v_RC363 (VMWARE), 6.5.0.2.8v_RC367 (AZURE), SonicOSv 6.5.0.2.8v_RC368 (AWS), SonicOSv 6.5.0.2.8v_RC366 (HYPER_V).
Published 2019-04-02 · Modified
9.8EPSS 0.014
CVE-2025-40600
Use of Externally-Controlled Format String vulnerability in the SonicOS SSL VPN interface allows a remote unauthenticated attacker to cause service disruption.
Published 2025-07-29 · Analyzed
9.8EPSS 0.009
CVE-2024-3596
RADIUS Protocol under RFC2865 is vulnerable to forgery attacks.
Published 2024-07-09 · Modified
9.0EPSS 0.149
CVE-2019-12257
Wind 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/ACK parsing inside ipdhcpc.
Published 2019-08-09 · Modified
8.8EPSS 0.842
CVE-2021-20046
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.
Published 2022-01-07 · Modified
8.8EPSS 0.019
CVE-2021-20048
A Stack-based buffer overflow in the SonicOS SessionID HTTP 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.
Published 2022-01-07 · Modified
8.8EPSS 0.019
CVE-2023-1101
SonicOS SSLVPN improper restriction of excessive MFA attempts vulnerability allows an authenticated attacker to use excessive MFA codes.
Published 2023-03-02 · Modified
8.8EPSS 0.007
CVE-2023-41715
SonicOS post-authentication Improper Privilege Management vulnerability in the SonicOS SSL VPN Tunnel allows users to elevate their privileges inside the tunnel.
Published 2023-10-17 · Modified
8.8EPSS 0.007
CVE-2019-12263
Wind River VxWorks 6.9.4 and vx7 has a Buffer Overflow in the TCP component (issue 4 of 4). There is an IPNET security vulnerability: TCP Urgent Pointer state confusion due to race condition.
Published 2019-08-09 · Modified
8.1EPSS 0.032
CVE-2026-0204
A vulnerability in the access control mechanism of SonicOS may allow certain management interface functions to be accessible under specific conditions.
Published 2026-04-29 · Analyzed
8.0EPSS 0.004
CVE-2019-7487
Installation of the SonicOS SSLVPN NACagent 3.5 on the Windows operating system, an autorun value is created does not put the path in quotes, so if a malicious binary by an attacker within the parent path could allow code execution.
Published 2019-12-19 · Modified
7.8EPSS 0.005
CVE-2023-0656
A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.
Published 2023-03-02 · Modified
7.5EPSS 0.413
CVE-2019-12258
Wind River VxWorks 6.6 through vx7 has Session Fixation in the TCP component. This is a IPNET security vulnerability: DoS of TCP connection via malformed TCP options.
Published 2019-08-09 · Modified
7.5EPSS 0.234
CVE-2019-12259
Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and vx7 has an array index error in the IGMPv3 client component. There is an IPNET security vulnerability: DoS via NULL dereference in IGMP parsing.
Published 2019-08-09 · Modified
7.5EPSS 0.159
CVE-2020-5138
A Heap Overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service and leads to SonicOS crash. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.
Published 2020-10-12 · Modified
7.5EPSS 0.018
CVE-2020-5139
A vulnerability in SonicOS SSLVPN service allows a remote unauthenticated attacker to cause Denial of Service (DoS) due to the release of Invalid pointer and leads to a firewall crash. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.
Published 2020-10-12 · Modified
7.5EPSS 0.018
CVE-2020-5140
A vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service by sending a malicious HTTP request that leads to memory addresses leak. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.
Published 2020-10-12 · Modified
7.5EPSS 0.018
CVE-2020-5133
A vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service due to buffer overflow, which leads to a firewall crash. This vulnerability affected SonicOS Gen 6 version 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.
Published 2020-10-12 · Modified
7.5EPSS 0.018
CVE-2020-5137
A buffer overflow vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS) on the firewall SSLVPN service and leads to firewall crash. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 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.
Published 2020-10-12 · Modified
7.5EPSS 0.018
CVE-2021-20019
A vulnerability in SonicOS where the HTTP server response leaks partial memory by sending a crafted HTTP request, this can potentially lead to an internal sensitive data disclosure vulnerability.
Published 2021-06-23 · Modified
7.5EPSS 0.014
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.
Published 2021-06-14 · Modified
7.5EPSS 0.013
CVE-2019-7477
A vulnerability in SonicWall SonicOS and SonicOSv TLS CBC Cipher allow remote attackers to obtain sensitive plaintext data when CBC cipher suites are enabled. This vulnerability affected SonicOS Gen 5 version 5.9.1.10 and earlier, Gen 6 version 6.2.7.3, 6.5.1.3, 6.5.2.2, 6.5.3.1, 6.2.7.8, 6.4.0.0, 6.5.1.8, 6.0.5.3-86o and SonicOSv 6.5.0.2-8v_RC363 (VMWARE), 6.5.0.2.8v_RC367 (AZURE), SonicOSv 6.5.0.2.8v_RC368 (AWS), SonicOSv 6.5.0.2.8v_RC366 (HYPER_V).
Published 2019-04-02 · Modified
7.5EPSS 0.012
CVE-2025-40601
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.
Published 2025-11-20 · Analyzed
7.5EPSS 0.012
CVE-2022-22275
Improper Restriction of TCP Communication Channel in HTTP/S inbound traffic from WAN to DMZ bypassing security policy until TCP handshake potentially resulting in Denial of Service (DoS) attack if a target host is vulnerable.
Published 2022-04-27 · Modified
7.5EPSS 0.011
CVE-2024-40764
Heap-based buffer overflow vulnerability in the SonicOS IPSec VPN allows an unauthenticated remote attacker to cause Denial of Service (DoS).
Published 2024-07-18 · Modified
7.5EPSS 0.007
CVE-2023-41713
SonicOS Use of Hard-coded Password vulnerability in the 'dynHandleBuyToolbar' demo function.
Published 2023-10-17 · Modified
7.5EPSS 0.006
CVE-2024-29012
Stack-based buffer overflow vulnerability in the SonicOS HTTP server allows an authenticated remote attacker to cause Denial of Service (DoS) via sscanf function.
Published 2024-06-20 · Modified
7.5EPSS 0.005
CVE-2021-3450
CA certificate check bypass with X509_V_FLAG_X509_STRICT
Published 2021-03-25 · Modified
7.4EPSS 0.183
CVE-2019-7479
A vulnerability in SonicOS allow authenticated read-only admin can elevate permissions to configuration mode. This vulnerability affected SonicOS Gen 5 version 5.9.1.12-4o and earlier, Gen 6 version 6.2.7.4-32n, 6.5.1.4-4n, 6.5.2.3-4n, 6.5.3.3-3n, 6.2.7.10-3n, 6.4.1.0-3n, 6.5.3.3-3n, 6.5.1.9-4n and SonicOSv 6.5.0.2-8v_RC363 (VMWARE), 6.5.0.2.8v_RC367 (AZURE), SonicOSv 6.5.0.2.8v_RC368 (AWS), SonicOSv 6.5.0.2.8v_RC366 (HYPER_V).
Published 2019-12-31 · Modified
7.2EPSS 0.009
CVE-2026-0205
A post-authentication Path Traversal vulnerability in SonicOS allows an attacker to interact with usually restricted services.
Published 2026-04-29 · Analyzed
6.8EPSS 0.004
CVE-2020-5141
A vulnerability in SonicOS allows a remote unauthenticated attacker to brute force Virtual Assist ticket ID in the firewall SSLVPN service. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.
Published 2020-10-12 · Modified
6.5EPSS 0.013
CVE-2020-5134
A vulnerability in SonicOS allows an authenticated attacker to cause out-of-bound invalid file reference leads to a firewall crash. This vulnerability affected SonicOS Gen 6 version 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.
Published 2020-10-12 · Modified
6.5EPSS 0.011
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