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CVE-2023-39276

SonicOS post-authentication stack-based buffer overflow vulnerability in the getBookmarkList.json URL endpoint leads to a firewall crash.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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Nsa2700 Nsa3700 Nsa4700 and 58 more
CVE-2023-39277

SonicOS post-authentication stack-based buffer overflow vulnerability in the sonicflow.csv and appflowsessions.csv URL endpoints leads to a firewall crash.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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Nsa2700 Nsa3700 Nsa4700 and 58 more
CVE-2023-39278

SonicOS post-authentication user assertion failure leads to Stack-Based Buffer Overflow vulnerability via main.cgi leads to a firewall crash.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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Nsa2700 Nsa3700 Nsa4700 and 58 more
CVE-2023-39279

SonicOS post-authentication Stack-Based Buffer Overflow vulnerability in the getPacketReplayData.json URL endpoint leads to a firewall crash.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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Nsa2700 Nsa3700 Nsa4700 and 58 more
CVE-2023-39280

SonicOS p ost-authentication Stack-Based Buffer Overflow vulnerability in the ssoStats-s.xml, ssoStats-s.wri URL endpoints leads to a firewall crash.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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Nsa2700 Nsa3700 Nsa4700 and 58 more
CVE-2023-41711

SonicOS post-authentication Stack-Based Buffer Overflow Vulnerability in the sonicwall.exp, prefs.exp URL endpoints lead to a firewall crash.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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Nsa2700 Nsa3700 Nsa4700 and 58 more
CVE-2023-41712

SonicOS post-authentication Stack-Based Buffer Overflow Vulnerability in the SSL VPN plainprefs.exp URL endpoint leads to a firewall crash.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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Nsa2700 Nsa3700 Nsa4700 and 58 more
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.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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Nsa2700 Nsa3700 Nsa4700 and 58 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-2026-0205

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-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-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.

CVSS 3.1 · 9.3 Critical EPSS 18.4% KEV · Listed
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Nsa 2650 Nsa 2700 Nsa 3600 and 49 more