CVE-2025-40601

highpriority · track · 0EPSS 0.009 · 60 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.91% (60th) EPSS

CVSS 7.5 · high

Is it mine?

10 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USCWE-121USCWE-121US

affected products (10)

Products and version ranges known to be affected.

SonicWall SSL-VPN Gen7 Firewalls <7.3.1-7013all versionscert_bundDE
SonicWall SSL-VPN Gen8 Firewalls <8.0.3-8011all versionscert_bundDE
SonicWall SSL-VPN≤ Gen7 Firewalls <7.3.1-7013cert_bundDE
SonicWall SSL-VPN≤ Gen8 Firewalls <8.0.3-8011cert_bundDE
SonicWall SonicOS≤ 8.0.2-8011 and older versionsenisa_euvdEU
SonicWall SonicOS≤ 7.3.0-7012 and older versionsenisa_euvdEU
SonicWall SonicOS≤ 8.0.2-8011fstec_bduRU
SonicWall SonicOS≤ 7.3.0-7012fstec_bduRU
sonicwall sonicos< 8.0.3-8011nvdUScpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
sonicwall sonicos7.1.1-7040 → 7.3.1-7013nvdUScpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2640SonicWall SSL-VPN: Schwachstelle ermöglicht Denial of ServiceDeutsch2025-11-19csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in SonicWall SSL-VPN ausnutzen, um einen Denial of Service Angriff durchzuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2025-11-20modified 2026-10-18

references (3)

External citations — patches, advisories, analysis.

scry

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