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CVE-2024-53704

An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.

CVSS 3.1 · 8.2 High EPSS 95.3% KEV · Listed
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Nsa 2700 Nsa 3700 Nsa 4700 and 21 more
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.

CVSS 3.1 · 8.8 High EPSS 2.0% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 3650 and 56 more
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.

CVSS 3.1 · 8.8 High EPSS 2.0% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 3650 and 56 more
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.

CVSS 3.1 · 9.8 Critical EPSS 75.5% KEV · Not listed
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Nsa 2700 Nsa 3700 Nsa 4700 and 30 more
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.

CVSS 3.1 · 7.5 High EPSS 41.3% KEV · Not listed
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Nsa 2700 Nsa 3700 Nsa 4700 and 29 more
CVE-2024-22394

An improper authentication vulnerability has been identified in SonicWall SonicOS SSL-VPN feature, which in specific conditions could allow a remote attacker to bypass authentication.  This issue affects only firmware version SonicOS 7.1.1-7040.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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Nsa 2700 Nsa 3700 Nsa 4700 and 19 more
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.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
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Nsa 2700 Nsa 3700 Nsa 4700 and 19 more
CVE-2021-20031

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

CVSS 3.1 · 6.1 Medium EPSS 13.0% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 3650 and 56 more
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.

CVSS 3.1 · 7.5 High EPSS 1.3% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 3650 and 56 more
CVE-2023-1101

SonicOS SSLVPN improper restriction of excessive MFA attempts vulnerability allows an authenticated attacker to use excessive MFA codes.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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Nsa 2600 Nsa 2650 Nsa 2700 and 65 more
CVE-2026-0204

Access Control Bypass in SonicOS Management Functions

A vulnerability in the access control mechanism of SonicOS may allow certain management interface functions to be accessible under specific conditions.

CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 2800 and 61 more
CVE-2026-0206

Post‑Authentication Buffer Overflow in SonicOS Causes Firewall Crash

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

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 2800 and 61 more
CVE-2026-0205

Post-Authentication Path Traversal in SonicOS Enabling Restricted Service Access

A post-authentication Path Traversal vulnerability in SonicOS allows an attacker to interact with usually restricted services.

CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 2800 and 61 more
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.

CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed
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Nsa 2650 Nsa 2700 Nsa 3650 and 50 more
CVE-2022-22278

A vulnerability in SonicOS CFS (Content filtering service) returns a large 403 forbidden HTTP response message to the source address when users try to access prohibited resource this allows an attacker to cause HTTP Denial of Service (DoS) attack

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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CVE-2026-124850

SQL Injection in Database Migration via Stored Connector Identifiers in flowintel

A SQL injection vulnerability exists in a database migration script in flowintel. The migration process reads stored connector identifier values from the database and interpolates them directly into SQL statements without parameterization. An attacker who has previously written a malicious identifier value into the affected tables can cause arbitrary SQL execution when the migration is subsequently run during an application upgrade. - Requires prior write access to the database to plant a malicious identifier value - Triggered automatically during a migration or upgrade operation - Can result in unauthorized data disclosure, modification, or deletion Affected versions: flowintel prior to 4.0.0

CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
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CVE-2026-58886

UI Overlay Logic Error in InputMonitor.java Enables Local Tapjacking Privilege Escalation

In updateInputWindows of InputMonitor.java, there is a possible tapjacking issue due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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CVE-2026-58933

Out-of-Bounds Read in Android C2SoftApvDec Leads to Remote Information Disclosure

In process of C2SoftApvDec.cpp, there is a possible out-of-bounds read due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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