CVE-2022-36330

Buffer Overflow Vulnerability in Western Digital My Cloud Home and ibi devices

HIGH
8.1
CVSS Score
Published: May 9, 2023 at 11:16 PM UTC
Updated: June 17, 2026 at 04:53 AM UTC
7 products affected across 2 vendorsMy Cloud Home FirmwareMy Cloud Home Duo FirmwareSandisk Ibi Firmware

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Severity
HIGH8.1
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

A buffer overflow vulnerability was discovered on firmware version validation that could lead to an unauthenticated remote code execution in Western Digital My Cloud Home, My Cloud Home Duo and SanDisk ibi devices. An attacker would require exploitation of another vulnerability to raise their privileges in order to exploit this buffer overflow vulnerability. This issue affects My Cloud Home and My Cloud Home Duo: before 9.4.0-191; ibi: before 9.4.0-191.

Affected

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

v < 9.4.0-191
Affected range stops below 9.4.0-191, so it looks safe — our inference, not a vendor statement
westerndigital-my-cloud-home-duo (same device)
v < 9.4.0-191
Affected range stops below 9.4.0-191, so it looks safe — our inference, not a vendor statement
westerndigital-my-cloud-home (same device)
v < 9.4.0-191
Affected range stops below 9.4.0-191, so it looks safe — our inference, not a vendor statement
westerndigital-sandisk-ibi (same device)
v < 9.4.0-191
Affected range stops below 9.4.0-191, so it looks safe — our inference, not a vendor statement
All versions
All versions

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-120

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