Security incidents in SonicWall firewalls (August 5, 2025)
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
[Update on August 7, 2025] On August 6, 2025, SonicWall updated part of its initial statement to indicate that the mentioned security incidents were likely correlated to the vulnerability CVE-2024-40766. This was addressed in a security bulletin, SNWLID-2024-0015 (see...
CSIRTS triage
- What
- Security incidents in SonicWall firewalls are likely correlated to a specific vulnerability.
- Who is affected
- Users of SonicWall firewalls affected by the incidents.
- Urgency
- Remediation is necessary to address potential security risks, though the severity is currently unknown.
- Action
- Refer to SonicWall's security bulletin for guidance.
AI-assisted analysis generated from the source advisory — verify against the original.
Details
Original advisory: https://www.cert.ssi.gouv.fr/alerte/CERTFR-2025-ALE-011/
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2024-40766Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 96% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2024-40766 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownexploitedVulnerability in SonicWall (September 10, 2024)cert-fr-alerte
- criticalexploitedCVE-2024-40766: SonicWall SonicOS Improper Access Control Vulnerabilitycisa-kev
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