CVE-2026-83548
CriticalExploitedPublic exploitA Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface due to an unintended alternate access path.
Published Sep 1, 2026 · Updated Sep 3, 2026 · Also known as EUVD-2026-69704
Key Facts
Patch immediately- CVE-2026-83548 is a critical-severity vulnerability (CVSS 10.0 v3.1) affecting Sma8200v (Sonicwall), Sma6210 Firmware (Sonicwall), Sma7210 Firmware (Sonicwall) and 1 more product.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 1, 2026. Public exploit code is available.
- EPSS estimates a 8.0% probability of exploitation in the next 30 days.
- Fixed versions are available, including Sma6210 Firmware 12.4.3-03526, Sma6210 Firmware 12.5.0-02952, Sma7210 Firmware 12.4.3-03526.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
10.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
8.0%
Higher than 94.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-83548 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
A Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface due to an unintended alternate access path. A remote unauthenticated attacker could potentially exploit this vulnerability to gain unauthorized access to sensitive functionality and perform unauthorized operations.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Sep 2, 2026 | Sep 5, 2026 | Not reported |
| Industry KEV feed | Sep 1, 2026 | Sep 5, 2026 | Not reported |
| CIRCL KEV | Sep 1, 2026 | Sep 5, 2026 | Not reported |
| ENISA EUVD | Sep 2, 2026 | n/a | Not reported |
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.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Sma8200vSonicwall | See advisory | 12.4.3-03526 |
| Sma6210 FirmwareSonicwall | See advisory | 12.4.3-03526 |
| Sma7210 FirmwareSonicwall | See advisory | 12.4.3-03526 |
| SMA1000 | >= 12.4.3-03453 (platform-hotfix) and older versions | n/a |
Patched Releases
Sma6210 Firmware
12.4.3-03526, 12.5.0-02952
Sma7210 Firmware
12.4.3-03526, 12.5.0-02952
Sma8200v
12.4.3-03526, 12.5.0-02952
Timeline
Publicly disclosed
Sep 1, 2026
Added to Industry KEV feed
Sep 1, 2026
Added to CIRCL KEV
Sep 1, 2026
Added to CISA KEV
Sep 2, 2026
Added to ENISA EUVD
Sep 2, 2026
Last updated
Sep 3, 2026
Weakness Type
- CWE-441 Unintended Proxy or Intermediary ('Confused Deputy')
- CWE-918 Server-Side Request Forgery (SSRF)
References
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitMSF sonicwall_sma1000_couchdb_rce.rb
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
A Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface due to an unintended alternate access path.
Affected: Sma8200v (Sonicwall); Sma6210 Firmware (Sonicwall); Sma7210 Firmware (Sonicwall), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 1, 2026.
Yes. It was added on Sep 2, 2026 with a federal remediation due date of Sep 5, 2026.
Public exploit code is available.
Fixed versions are available, including Sma6210 Firmware 12.4.3-03526, Sma6210 Firmware 12.5.0-02952, Sma7210 Firmware 12.4.3-03526.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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