CVEvulnerability

CVE-2026-83548

10.0 CRITICAL Known exploited Published 2026-09-01 Modified 2026-09-03 Official page ↗

CISA Known Exploited Vulnerability

SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability — SonicWall SMA1000 Appliances

SonicWall SMA1000 Appliances contains a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to gain unauthorized access to sensitive functionality and perform unauthorized operations.

Added to KEV: 2026-09-02
Remediation due: 2026-09-05
Ransomware use: Unknown
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.
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-2026-83548

Status: Analyzed
Published: 2026-09-01
Last modified: 2026-09-03
Assigner: [email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0): 10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses: CWE-441, CWE-918

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.

Affected configurations

• sonicwall sma8200v (< 12.4.3-03526) • sonicwall sma8200v (>= 12.5.0 < 12.5.0-02952) • sonicwall sma6210 firmware (< 12.4.3-03526) • sonicwall sma6210 firmware (>= 12.5.0 < 12.5.0-02952) • sonicwall sma7210 firmware (< 12.4.3-03526) • sonicwall sma7210 firmware (>= 12.5.0 < 12.5.0-02952)

Weakness · CWE (2)

CWE-441 Unintended Proxy or Intermediary weakness
CWE-918 Server-Side Request Forgery weakness

References