Critical severity · published Sep 1, 2026
CVE-2026-83548
SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
In wildKEV
10.0
CVSS
8%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)8.0% · higher than 95% of CVEs
Exploited in the wildYes
CISA KEVListed Sep 2, 2026
Federal remediation dueSep 5, 2026
Ransomware campaign useNot known
Affected products
Which versions
SM
SMA1000 · SonicWall
12.4.3-03453 (platform-hotfix) and older versions; 12.5.0-02835 (platform-hotfix) and older versions · source: vendor
SF
Sma6210 Firmware · Sonicwall
before 12.4.3-03526; 12.5.0 before 12.5.0-02952 · source: NVD
SF
Sma7210 Firmware · Sonicwall
before 12.4.3-03526; 12.5.0 before 12.5.0-02952 · source: NVD
SM
Sma8200v · Sonicwall
before 12.4.3-03526; 12.5.0 before 12.5.0-02952 · source: NVD
SA
SMA1000 Appliances · SonicWall
All versions, or not specified · source: KEV
In the news
VulnerabilityCritical
CISA Adds Seven Exploited Flaws as Attackers Deploy Reverse Shells and Crypto Miners
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added seven security flaws to its Known Exploited Vulnerabilities (KEV) catalog after they landed in attackers' crosshairs. The vulnerabilities are as follows - CVE-2026-83548 (CVSS score: 10.0) - A server-side request forgery vulnerability in SonicWall SMA 1000 Appliances that could allow a remote unauthenticated
Sep 3, 2026·The Hacker News
AdvisoryHigh
CISA Adds Seven Known Exploited Vulnerabilities to Catalog
CISA has added seven new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation.   CVE-2026-9586 Sangoma Switchvox SQL Injection Vulnerability  CVE-2026-48710 Kludex Starlette HTTP Request/Response Smuggling Vulnerability  CVE-2026-49869 Kestra OSS OS Command Injection Vulnerability  CVE-2026-59822 BerriAI LiteLLM Improper Authentication Vulnerability  CVE-2026-82329 JFrog Artifactory Improper Authentication Vulnerability  CVE-2026-83548 SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability  CVE-2026-83549 SonicWall SMA1000 Appliances OS Command Injection Vulnerability  These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risks to the federal enterprise.  Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies. BOD 26-04 reinforces the importance of the KEV Catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common Vulnerabilities and Exposures (CVEs) listed in CISA’s KEV Catalog on publicly exposed assets that grant total control of the asset post-exploitation, while deferring action f...
Sep 2, 2026·CISA Advisories
VulnerabilityCritical
SonicWall SMA 1000 appliances under attack via zero-day flaws
Attackers are exploiting two previously undisclosed vulnerabilities (CVE-2026-83548, CVE-2026-83549) in SonicWall SMA 1000 appliances, the vendor confirmed on Tuesday. The vulnerabilities (CVE-2026-83548, CVE-2026-83549) The SonicWall SMA 1000 series is a line of secure remote access appliances (SSL VPN gateways) built for scale. They are used regularly by medium to large enterprises, government agencies, and managed security service providers. CVE-2026-83548 is a pre-authentication server-side request forgery (SSRF) flaw in the Appliance Work Place interface, and allows … More → The post SonicWall SMA 1000 appliances under attack via zero-day flaws appeared first on Help Net Security .
Sep 2, 2026·Help Net Security
VulnerabilityHigh
[CISA KEV] CVE-2026-83548: SonicWall SMA1000 Appliances - SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
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.
SASMA1000 AppliancesCVE-2026-83548
Sep 2, 2026·CISA KEV
Affected product
SM
SMA1000
SonicWall
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