CVE-2022-22278

HIGH
7.5
CVSS Score
Published: April 27, 2022 at 04:25 PM UTC
Updated: June 17, 2026 at 04:28 AM UTC
99 products affected across 1 vendorTZ570W FirmwareTZ570 FirmwareTZ300W Firmware

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Severity
HIGH7.5
Exploit prediction
EPSS 1.0%

Description

A vulnerability in SonicOS CFS (Content filtering service) returns a large 403 forbidden HTTP response message to the source address when users try to access prohibited resource this allows an attacker to cause HTTP Denial of Service (DoS) attack

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 7.0.1
Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement
sonicwall-nsa-2650 (same device)
v < 7.0.1
Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement
sonicwall-nsa-2700 (same device)
v < 7.0.1
Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement
sonicwall-nsa-3650 (same device)
v < 7.0.1
Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement
sonicwall-nsa-3700 (same device)
v < 7.0.1
Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement
sonicwall-nsa-4650 (same device)
v < 7.0.1
Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement
sonicwall-nsa-4700 (same device)
v < 7.0.1
Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement
sonicwall-nsa-5650 (same device)
v < 7.0.1
Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement
sonicwall-nsa-5700 (same device)
v < 7.0.1
Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement
sonicwall-nsa-6650 (same device)
v < 7.0.1
Affected range stops below 7.0.1, so it looks safe — our inference, not a vendor statement
sonicwall-nsa-6700 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

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