9.8

CVE-2025-40600: sonicwall sonicos

CVSS: 9.8v3.1CriticalAnalyzed
Published 29-07-2025Last modified 30-07-2025
Open JSON

Vulnerability summary

CVE-2025-40600 is a critical (CVSS 9.8) vulnerability in sonicwall sonicos. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.91%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-07-2025
    PublishedVulnerability first disclosed.
  2. 30-07-2025
    Last modifiedVulnerability information updated.

Description

Use of Externally-Controlled Format String vulnerability in the SonicOS SSL VPN interface allows a remote unauthenticated attacker to cause service disruption.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.91%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

+0.01 pp

From 0.91% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.91%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Sonicwall1 product
  • sonicos7.2.0-7015 and older versions | ≥ 7.1.1-7040, < 7.3.0-7012

1 vendor · 1 product

References

1 links