Arbitrary file upload in Sonicwall Sma 100 Series
CVE-2025-40599
An authenticated arbitrary file upload vulnerability exists in the SMA 100 series web management interface. A remote attacker with administrative privileges can exploit this flaw to upload arbitrary files to the system, potentially leading…
Vulnerability class: Unrestricted File Upload
EPSS: 0.104 (95.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Sonicwall Sma 100 Series — versions 10.2.1.15-81sv and earlier versions
- Sonicwall Sma_210
- Sonicwall Sma_210_firmware
- Sonicwall Sma_410
- Sonicwall Sma_410_firmware
- Sonicwall Sma_500v
- Sonicwall Sma_500v_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- PSIRT@sonicwall.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-40599?
- CVE-2025-40599 is a critical-severity vulnerability in Sonicwall Sma 100 Series, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.1/10. Published 2025-07-23.
- How severe is CVE-2025-40599?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2025-40599 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.