CVE-2025-40601

Published Nov 20, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Sonicwall nsv 270
Sonicwall nsv 470
Sonicwall nsv 870
CPEs cpe:2.3:h:sonicwall:nsv270:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsv470:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsv870:-:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:nsv_270:-:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:nsv_470:-:*:*:*:*:*:*:*
cpe:2.3:a:sonicwall:nsv_870:-:*:*:*:*:*:*:*
Vendors & Products Sonicwall nsv270
Sonicwall nsv470
Sonicwall nsv870
Sonicwall nsv 270
Sonicwall nsv 470
Sonicwall nsv 870
Type Values Removed Values Added
First Time appeared Sonicwall nsa 2700
Sonicwall nsa 2800
Sonicwall nsa 3700
Sonicwall nsa 3800
Sonicwall nsa 4700
Sonicwall nsa 4800
Sonicwall nsa 5700
Sonicwall nsa 5800
Sonicwall nsa 6700
Sonicwall nssp 10700
Sonicwall nssp 11700
Sonicwall nssp 13700
Sonicwall nssp 15700
Sonicwall nsv270
Sonicwall nsv470
Sonicwall nsv870
Sonicwall tz270
Sonicwall tz270w
Sonicwall tz280
Sonicwall tz370
Sonicwall tz370w
Sonicwall tz380
Sonicwall tz470
Sonicwall tz470w
Sonicwall tz480
Sonicwall tz570
Sonicwall tz570p
Sonicwall tz570w
Sonicwall tz580
Sonicwall tz670
Sonicwall tz680
Sonicwall tz80
CPEs cpe:2.3:h:sonicwall:nsa_2700:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsa_2800:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsa_3700:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsa_3800:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsa_4700:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsa_4800:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsa_5700:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsa_5800:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsa_6700:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nssp_10700:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nssp_11700:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nssp_13700:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nssp_15700:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsv270:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsv470:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:nsv870:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz270:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz270w:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz280:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz370:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz370w:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz380:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz470:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz470w:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz480:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz570:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz570p:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz570w:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz580:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz670:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz680:-:*:*:*:*:*:*:*
cpe:2.3:h:sonicwall:tz80:-:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
Vendors & Products Sonicwall nsa 2700
Sonicwall nsa 2800
Sonicwall nsa 3700
Sonicwall nsa 3800
Sonicwall nsa 4700
Sonicwall nsa 4800
Sonicwall nsa 5700
Sonicwall nsa 5800
Sonicwall nsa 6700
Sonicwall nssp 10700
Sonicwall nssp 11700
Sonicwall nssp 13700
Sonicwall nssp 15700
Sonicwall nsv270
Sonicwall nsv470
Sonicwall nsv870
Sonicwall tz270
Sonicwall tz270w
Sonicwall tz280
Sonicwall tz370
Sonicwall tz370w
Sonicwall tz380
Sonicwall tz470
Sonicwall tz470w
Sonicwall tz480
Sonicwall tz570
Sonicwall tz570p
Sonicwall tz570w
Sonicwall tz580
Sonicwall tz670
Sonicwall tz680
Sonicwall tz80
Type Values Removed Values Added
First Time appeared Sonicwall
Sonicwall sonicos
Vendors & Products Sonicwall
Sonicwall sonicos
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Weaknesses CWE-121
References