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Fencer Vulns
critical 9.1

CVE-2025-40599 json

An authenticated arbitrary file upload vulnerability exists in the SMA 100 series web management interface.

published 2025-07-23 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-22450

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
9.7%
EPSS 9.7% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

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 to remote code execution.

Patch / fix

  • sonicwall sma_210_firmware 10.2.2.1-90sv
  • sonicwall sma_410_firmware 10.2.2.1-90sv
  • sonicwall sma_500v_firmware 10.2.2.1-90sv

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
15 mo ago

Exploit prediction

9.70% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CNA 3.1 9.1 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

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.