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Known Exploited Vulnerability
10.0
CRITICAL CVSS 3.1
CVE-2026-83548
SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability - [Actively Exploited]
Overview
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.

Details
INFO

Published Date :

Sept. 1, 2026, 10:17 p.m.

Last Modified :

Sept. 3, 2026, 1:06 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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.

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.

Known Ransomware Campaign Use:

Unknown

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

Impact
Affected Products

The following products are affected by CVE-2026-83548 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Sonicwall sma1000
2 Sonicwall sma8200v
3 Sonicwall sma6210_firmware
4 Sonicwall sma6210
5 Sonicwall sma7210_firmware
6 Sonicwall sma7210
: Total Affected Vendor : 1 | Products : 6
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 CRITICAL 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Patch the appliance to fix the SSRF vulnerability and restrict access.
  • Apply the latest vendor security patches immediately.
  • Restrict network access to the appliance.
  • Disable unnecessary services on the appliance.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-83548.

URL Resource
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016 Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-83548 US Government Resource
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-83548 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-83548 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-83548 vulnerability anywhere in the article.

  • The Cyber Express
Liquid Network Hackers Demand Bug Fix Before Returning $320M BTC

The Liquid Network security incident has taken an unusual turn after the unidentified actors behind the theft of nearly 4,000 BTC offered to return “most” of the funds — but only after the vulnerabili ... Read more

Published Date: Sep 07, 2026 (2 weeks ago)
  • The Cyber Express
The Cyber Express Weekly Roundup: Claude Session Hijacking, PaperCut Exploits, and Enterprise Cyberattacks

This weekly roundup highlights a range of cybersecurity developments affecting artificial intelligence platforms, enterprise software, healthcare organizations, social media accounts, and internet-fac ... Read more

Published Date: Sep 04, 2026 (2 weeks, 3 days ago)
  • The Cyber Express
Two Citrix NetScaler Flaws Put Enterprise Edge Devices at Risk

Two Citrix NetScaler vulnerabilities affecting Citrix NetScaler Application Delivery Controller (ADC) and Citrix NetScaler Gateway products have prompted a patching warning for Australian organisation ... Read more

Published Date: Sep 04, 2026 (2 weeks, 3 days ago)
  • The Cyber Express
SonicWall Warns of Two Actively Exploited SMA1000 Zero-Days, One Rated Maximum Severity

SonicWall disclosed this week that attackers are chaining two previously unknown vulnerabilities in its SMA1000 secure access appliances to run commands on unpatched devices, and urged customers to in ... Read more

Published Date: Sep 03, 2026 (2 weeks, 4 days ago)
  • The Hacker News
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 ... Read more

Published Date: Sep 03, 2026 (2 weeks, 5 days ago)
  • TheCyberThrone
CISA Adds 7 Vulnerabilities to KEV: A New Wave of Actively Exploited Flaws

On September 2, 2026, the U.S. Cybersecurity and Infrastructure  Security Agency (CISA) added seven vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog, marking another reminder that ... Read more

Published Date: Sep 03, 2026 (2 weeks, 5 days ago)
  • The Hacker News
Attackers Exploit Two SonicWall SMA 1000 Zero-Days That May Form an Attack Chain

SonicWall has released security updates to address two security flaws impacting its Secure Mobile Access (SMA) 1000 series VPN appliances that have been exploited in zero-day attacks. The vulnerabilit ... Read more

Published Date: Sep 02, 2026 (2 weeks, 5 days ago)
  • security.nl
SonicWall waarschuwt voor misbruik van lekken in SMA1000-gateway

Netwerkbeveiliger SonicWall waarschuwt voor actief misbruik van twee kwetsbaarheden in de SMA1000-gateway. Er zijn updates uitgebracht om de problemen te verhelpen. Eén van de verholpen kwetsbaarheden ... Read more

Published Date: Sep 02, 2026 (2 weeks, 5 days ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-83548 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 03, 2026

    Action Type Old Value New Value
    Changed SSVC {'id': 'CVE-2026-83548', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-02T17:44:33.844242Z'} {'id': 'CVE-2026-83548', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-01T00:00:00+00:00'}
  • Initial Analysis by [email protected]

    Sep. 02, 2026

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:a:sonicwall:sma8200v:*:*:*:*:*:*:*:* versions up to (excluding) 12.4.3-03526 *cpe:2.3:a:sonicwall:sma8200v:*:*:*:*:*:*:*:* versions from (including) 12.5.0 up to (excluding) 12.5.0-02952 OR cpe:2.3:a:sonicwall:sma8200v:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:sonicwall:sma6210_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 12.4.3-03526 *cpe:2.3:o:sonicwall:sma6210_firmware:*:*:*:*:*:*:*:* versions from (including) 12.5.0 up to (excluding) 12.5.0-02952 OR cpe:2.3:h:sonicwall:sma6210:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:sonicwall:sma7210_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 12.4.3-03526 *cpe:2.3:o:sonicwall:sma7210_firmware:*:*:*:*:*:*:*:* versions from (including) 12.5.0 up to (excluding) 12.5.0-02952 OR cpe:2.3:h:sonicwall:sma7210:-:*:*:*:*:*:*:*
    Added Reference Type SonicWALL, Inc.: https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016 Types: Vendor Advisory
    Added Reference Type CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-83548 Types: US Government Resource
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Sep. 02, 2026

    Action Type Old Value New Value
    Added Date Added 2026-09-02
    Added Due Date 2026-09-02
    Added Required Action 2026-09-02
    Added Vulnerability Name 2026-09-02
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 02, 2026

    Action Type Old Value New Value
    Added Reference https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-83548
    Changed SSVC {'id': 'CVE-2026-83548', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-02T03:56:00.541631Z'} {'id': 'CVE-2026-83548', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'active'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-02T17:44:33.844242Z'}
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 02, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    Changed SSVC {'id': 'CVE-2026-83548', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-01T00:00:00+00:00'} {'id': 'CVE-2026-83548', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-02T03:56:00.541631Z'}
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 02, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-83548', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-09-01T00:00:00+00:00'}
  • New CVE Received by [email protected]

    Sep. 01, 2026

    Action Type Old Value New Value
    Added 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.
    Added CWE CWE-441
    Added CWE CWE-918
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/83xxx/CVE-2026-83548.json">CVE-2026-83548</a>
    Added Reference https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 10.0
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact