CyberSecBulletin
CVE-2025-32819NVD status: Analyzed

SMA100: Files or Directories Accessible to External Parties

Published Updated By the CyberSecBulletin desk

CVE-2025-32819 is a high-severity files or directories accessible to external parties vulnerability in SMA100 from SonicWall, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected SMA100 versions: 10.2.1.14-75sv and earlier versions. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 6.56% chance of exploitation within 30 days, which is in the top 6.08% of all scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Sma 100 Firmware to 10.2.1.15-81sv or a later version.
  2. Update Sma 200 Firmware to 10.2.1.15-81sv or a later version.
  3. Update Sma 210 Firmware to 10.2.1.15-81sv or a later version.
  4. Read the advisory on psirt.global.sonicwall.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
SonicWallSMA10010.2.1.14-75sv and earlier versionsNot stated
SonicWallSma 100 Firmwarebefore 10.2.1.15-81sv10.2.1.15-81sv
SonicWallSma 200 Firmwarebefore 10.2.1.15-81sv10.2.1.15-81sv
SonicWallSma 210 Firmwarebefore 10.2.1.15-81sv10.2.1.15-81sv
SonicWallSma 400 Firmwarebefore 10.2.1.15-81sv10.2.1.15-81sv
SonicWallSma 410 Firmwarebefore 10.2.1.15-81sv10.2.1.15-81sv
SonicWallSma 500v Firmwarebefore 10.2.1.15-81sv10.2.1.15-81sv

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.18.8HighNVD
CVSS 3.18.8HighCISA (ADP)

Official description

A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user privileges to bypass the path traversal checks and delete an arbitrary file potentially resulting in a reboot to factory default settings.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Files or Directories Accessible to External Parties

The product makes files or directories accessible to unauthorized actors, even though they should not be.

How developers prevent this class of flaw

  • When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to disable public access.

More Files or Directories Accessible to External Parties vulnerabilities (CWE-552)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Technical write-ups (may include proof of concept)

Other vulnerabilities in SMA100

All SMA100 vulnerabilities

Recent Files or Directories Accessible to External Parties vulnerabilities

Spotted an error? Tell us.