CVE-2025-40600
highpriority · track · 0EPSS 0.009 · 61 %ileDEEUNLRUUSEPSS · scored 2026-10-27
Use of Externally-Controlled Format String vulnerability in the SonicOS SSL VPN interface allows a remote unauthenticated attacker to cause service disruption.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0239Kwetsbaarheid verholpen in SonicWall SonicOSNL2025-07-31csaf · ncsc_nlNL
SonicWall heeft een kwetsbaarheid verholpen in SonicOS.
- WID-SEC-W-2025-1670SonicWall SSL-VPN SonicOS Gen7 Firewall: Schwachstelle ermöglicht Denial of ServiceDeutsch2025-07-29csaf · 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.
references (3)
External citations — patches, advisories, analysis.
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