Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-83549

CVE-2026-83549HIGH

SonicWall SMA1000 — Post-authentication Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability has been ide…

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  H  H  H    7.8   .1076   95.7   YES

AFFECTED
  Product  Versions                                             Fixed
  SMA1000  12.4.3-03453 (platform-hotfix) and older versions –  —

TIMELINE
  Aug 31  Reserved by sonicwall
  Sep 1   Published (CNA: sonicwall)
  Sep 2   ADDED TO KEV — CVE-2026-83549 (SonicWall SMA1000). Remediation due September 5, 2026.
  Sep 6   DUE DATE PASSED — CVE-2026-83549 (SonicWall SMA1000). CISA remediation deadline was September 5, 2026; still in catalog.

CWE-78 · CNA: sonicwall · CVSS v3.1 · 2 references · NVD status: Analyzed · KEV due September 5, 2026

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
August 31, 2026	Reserved	Reserved by sonicwall
September 1, 2026	Published	Published (CNA: sonicwall)
September 2, 2026	KEV ADDED	ADDED TO KEV — CVE-2026-83549 (SonicWall SMA1000). Remediation due September 5, 2026.
September 6, 2026	DUE DATE PASSED	DUE DATE PASSED — CVE-2026-83549 (SonicWall SMA1000). CISA remediation deadline was September 5, 2026; still in catalog.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
SonicWall	SMA1000	—	12.4.3-03453 (platform-hotfix) and older versions	—

Weaknesses

CWE-78

References (2)

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016 [Vendor Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-83549 [US Government Resource]

Authoritative record: CVE-2026-83549 at cve.org

Vendors: sonicwall

Weaknesses: CWE-78

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-83549 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.