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CVE-2026-83549

HIGH
7.8
CVSS Score
Published: September 1, 2026 at 09:28 PM UTC
Updated: September 21, 2026 at 02:17 PM UTC
6 products affected across 1 vendorSMA7210 FirmwareSMA6210 FirmwareSMA8200V

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Severity
HIGH7.8
Exploitation
CISA KEV
Exploit prediction
EPSS 10%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score9.9%

EPSS (Exploit Prediction Scoring System) estimates a 9.9% chance this CVE is exploited in the wild within the next 30 days — higher than 96% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

SonicWall SMA1000 Appliances contains an OS command injection vulnerability that could enable a remote authenticated attacker as administrator to execute arbitrary OS commands, resulting in remote code execution.

Required Action
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.
Ransomware Use
Unknown
Added to KEV
Sep 2, 2026
Remediation Due
Sep 5, 2026
55 days overdue
Notes
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016
BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
https://nvd.nist.gov/vuln/detail/CVE-2026-83549

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

SMA6210 Firmware· SonicWall
95%
v < 12.4.3-0352612.5.0 ≤ v < 12.5.0-02952
Affected range stops below 12.4.3-03526, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.5.0-02952, so it looks safe — our inference, not a vendor statement
sonicwall-sma6210 (same device)
SMA7210 Firmware· SonicWall
95%
v < 12.4.3-0352612.5.0 ≤ v < 12.5.0-02952
Affected range stops below 12.4.3-03526, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.5.0-02952, so it looks safe — our inference, not a vendor statement
sonicwall-sma7210 (same device)
SMA8200V· SonicWall
95%
v < 12.4.3-0352612.5.0 ≤ v < 12.5.0-02952
Affected range stops below 12.4.3-03526, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.5.0-02952, so it looks safe — our inference, not a vendor statement
SMA1000 Firmware· SonicWall
60%
12.4.3-3453 (platform-hotfix) and older versions12.5.0-2835 (platform-hotfix) and older versions
Sma6210· SonicWalldevice
80%
All versions
Sma7210· SonicWalldevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-83549

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-78

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