CVE-2025-40602

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Description

A local privilege escalation vulnerability due to insufficient authorization in the SonicWall SMA1000 appliance management console (AMC).

From the Tenable Blog

Exploitation of CVE-2025-40602 chained with CVE-2025-23006

Exploitation of CVE-2025-40602 chained with CVE-2025-23006

Published: 2025-12-17

Exploitation of CVE-2025-40602 chained with CVE-2025-23006 Zero-day exploitation

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0019

https://cloud.google.com/blog/topics/threat-intelligence/2025-zero-day-review/

https://www.theregister.com/2025/12/18/sonicwall_sma_1000_0day/

https://www.securityweek.com/sonicwall-patches-exploited-sma-1000-zero-day/

https://www.securityweek.com/china-linked-hackers-exploiting-zero-day-in-cisco-security-gear/

https://securityaffairs.com/185830/security/u-s-cisa-adds-cisco-sonicwall-and-asus-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.helpnetsecurity.com/2025/12/17/sonicwall-cve-2025-40602/

https://www.bleepingcomputer.com/news/security/sonicwall-warns-of-new-sma1000-zero-day-exploited-in-attacks/

https://thehackernews.com/2025/12/sonicwall-fixes-actively-exploited-cve.html

https://securityaffairs.com/185809/hacking/sonicwall-warns-of-actively-exploited-flaw-in-sma-100-amc.html

https://www.tenable.com/blog/cve-2026-15409-cve-2026-15410-sonicwall-sma-1000-zero-day-vulnerabilities-exploited-in-the

https://www.tenable.com/blog/cve-2025-40602-sonicwall-secure-mobile-access-sma-1000-zero-day-exploited

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40602

Details

Source: Mitre, NVD

Published: 2025-12-18

Updated: 2025-12-19

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:H/Au:M/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 6.6

Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Severity: Medium

EPSS

EPSS: 0.01709

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest