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cve recordhighexploited in the wildzero day3 of 3 cataloguesexploit reported

CVE-2026-83549

SonicWall · SMA1000 Appliances · SonicWall SMA1000 Appliances OS Command Injection Vulnerability

Published · Added to CISA KEV
CVSS7.8
Severityhigh
WeaknessCWE-78
EPSS9.9%95.6th percentile
Exploited3 KEV sources
Ransomware useUnknown
Federal fix dueSep 5, 2026

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

patch window

Called exploited the same day it was disclosed.

Measured from the CVE publication date to the earliest of 3 KEV catalogues that list it.

The life of this vulnerability

  1. CVE published
  2. First KEV listingsame day
  3. Last KEV listing1d
  4. Last sighting2d

Gaps are compressed to equal steps. The elapsed time is printed under each.

Which catalogues call it exploited

Sources3 of 3
Listings differ by1 d
Strongest claimconfirmed

3 catalogues list it. CIRCL aggregates the others and is shown but not counted.

Public exploitation evidence

5 public reports collected from VulnCheck and CIRCL, first on Sep 1, 2026. Each links to its original source. We have not verified them.

Description

Post-authentication Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability has been identified in the SMA1000 Appliance Management Console (AMC) which in specific conditions could potentially enable a remote authenticated attacker as administrator to execute arbitrary OS commands, resulting in remote code execution.

Required action (CISA)

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

References

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Our coverage of CVE-2026-83549

CVE-2025-66516high

Metasploit Wrap Up: This One Goes to Sixteen!

A recent update to the Metasploit framework has introduced sixteen new modules, including ten exploit modules, five of which address vulnerabilities listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. The new exploits target products from Cisco, PaperCut, SonicWall, JetBrains, and Langflow, among others.

CVE-2026-83549high

SonicWall SMA1000 OS Command Injection Exploited Same Day as Disclosure

A critical OS command injection vulnerability in SonicWall SMA1000 Appliances was exploited on the same day it was publicly disclosed, leaving no patch window for affected organizations.