Patchfirst
CVE-2026-83548 KEVPublic exploit Critical · 10.0 EPSS 8.0%

SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

SonicWall · SMA1000 Appliances

Summary

The SonicWall SMA1000 Appliances have a server-side request forgery flaw in the Work Place interface, caused by an unintended alternate access path that lets requests be routed through the appliance. A remote attacker with no authentication and no user interaction, who has network access to the appliance, could use this to reach sensitive functionality and carry out unauthorized operations.

Official description · NVD

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.

Breakdown
79.0 / 100
Exploited
Yes, in CISA KEV
Reports
0
Tactics
4/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. How attackers get in

  2. What they do

First seen exploited the day it was disclosed. Public exploit code (Metasploit) was available the same day.

  1. DisclosedFirst seen exploitedVulnCheck KEV evidencePublic exploit codeMetasploitday 0
  2. Added to CISA KEVEU database agrees+1 day

CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.

techniques

2 , grouped by in kill-chain order, 2 cited passages 2

Initial AccessTA0001

Valid Accounts T1078 Medium also Persistence, Privilege Escalation, Stealth
AI mapping from the description · primary impact

gains access to restricted functionality without credentials

to gain unauthorized access to sensitive functionality
From the official description (NVD) Original (opens in a new tab) ↗
Exploit Public-Facing Application T1190 Medium
AI mapping from the description · how it is exploited

unauthenticated exploit of public-facing web interface

A Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface
From the official description (NVD) Original (opens in a new tab) ↗

Detection

0 rules for this CVE · 205 general rules for its techniques

Rules for this CVE

0 that reference CVE-2026-83548 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.

What security researchers reported

Not named in any threat report yet

Also mentioned in 32 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

2 links, grouped by NVD tag
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