Western Digital vulnerabilities
We track 25 vulnerabilities in Western Digital products across 7 products. 25 are rated high or critical, and none are known to be exploited. The most recent was published on January 26, 2026.
Latest Western Digital vulnerabilities
- 8.9 High severity
WD Discovery: Uncontrolled Search Path Element
DLL hijacking in the WD Discovery Installer in Western Digital WD Discovery 5.2.730 on Windows allows a local attacker to execute arbitrary code via placement of a crafted dll in the installer's search path.
- 9.3 Critical severity
My Cloud: Improper Neutralization of Special Elements used in an OS Command
An OS command injection vulnerability in user interface in Western Digital My Cloud firmware prior to 5.31.108 on NAS platforms allows remote attackers to execute arbitrary system commands via a specially crafted HTTP POST.
- 8.4 High severity
Western Digital Kitfox for Windows: Unquoted Search Path or Element
Western Digital Kitfox for Windows provided by Western Digital Corporation registers a Windows service with an unquoted file path. A user with the write permission on the root directory of the system drive may execute arbitrary code with the SYSTEM privilege.
- 9.2 Critical severity
My Cloud: Improper Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Western Digital My Cloud ddns-start on Linux allows Overflow Buffers.This issue affects My Cloud: before 5.29.102.
- 7.1 High severity
WD Discovery: Improper Control of Generation of Code
WD Discovery versions prior to 5.0.589 contain a misconfiguration in the Node.js environment settings that could allow code execution by utilizing the 'ELECTRON_RUN_AS_NODE' environment variable. Any malicious application operating with standard user permissio
- 9.8 Critical severity
My Cloud OS 5: Authentication Bypass by Spoofing
An authentication bypass issue via spoofing was discovered in the token-based authentication mechanism that could allow an attacker to carry out an impersonation attack. This issue affects My Cloud OS 5 devices: before 5.26.202.
- 8.8 High severity
My Cloud OS 5: Improper Neutralization of Special Elements used in a Command
A post-authentication remote command injection vulnerability in a CGI file in Western Digital My Cloud OS 5 devices that could allow an attacker to build files with redirects and execute larger payloads. This issue affects My Cloud OS 5 devices: before 5.26.30
- 7.5 High severity
My Cloud OS 5: Authentication Bypass by Spoofing
Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, and SanDisk ibi devices were vulnerable to an impersonation attack that could allow an unauthenticated attacker to gain access to user data. This issue affects My Cloud OS 5 devices: before 5.25.132;
- 9.8 Critical severity
My Cloud Home and My Cloud Home Duo: Improper Limitation of a Pathname to a Restricted Directory
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could allow an attacker to write files to locations with certain critical filesystem types leading to remote code execution was discovered in Western Digital My C
- 9.8 Critical severity
My Cloud OS 5: Improper Neutralization of Special Elements used in an OS Command
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability that was caused by a command that read files from a privileged location and created a system command without sanitizing the read data. This command could b
- 9.8 Critical severity
My Cloud OS 5: Improper Neutralization of Special Elements used in a Command
Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability that could allow an attacker to execute code in the context of the root user on a vulnerable CGI file was discovered in Western Digital My Cloud OS 5 devicesThis
- 7.5 High severity
My Cloud Home and My Cloud Home Duo: Uncontrolled Resource Consumption
An improper privilege management issue that could allow an attacker to cause a denial of service over the OTA mechanism was discovered in Western Digital My Cloud Home, My Cloud Home Duo and SanDisk ibi devices.This issue affects My Cloud Home and My Cloud Hom
- 8.1 High severity
My Cloud Home and My Cloud Home Duo: Buffer Copy without Checking Size of Input
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 ano
- 9.8 Critical severity
My Cloud: Improper Limitation of a Pathname to a Restricted Directory
A vulnerability in the FTP service of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119 allows an attacker to read and write arbitrary files. This could lead to a full NAS compromise and would give remote execution capabilities
- 9.8 Critical severity
My Cloud: Improper Neutralization of Special Elements used in an OS Command
A command injection vulnerability in the DDNS service configuration of Western Digital My Cloud OS 5 devices running firmware versions prior to 5.26.119 allows an attacker to execute code in the context of the root user.
- 7.8 High severity
My Cloud Home: Improper Limitation of a Pathname to a Restricted Directory
A path traversal vulnerability was addressed in Western Digital My Cloud Home, My Cloud Home Duo and SanDisk ibi which could allow an attacker to initiate installation of custom ZIP packages and overwrite system files. This could potentially lead to a code exe
- 7.8 High severity
My Cloud: Selection of Less-Secure Algorithm During Negotiation
The Western Digital My Cloud Web App [https://os5.mycloud.com/] uses a weak SSLContext when attempting to configure port forwarding rules. This was enabled to maintain compatibility with old or outdated home routers. By using an "SSL" context instead of "TLS"
- 9.8 Critical severity
My Cloud Home: Improper Neutralization of Special Elements used in an OS Command
Addressed a remote code execution vulnerability by resolving a command injection vulnerability and closing an AWS S3 bucket that potentially allowed an attacker to execute unsigned code on My Cloud Home devices.
- 9.8 Critical severity
My Cloud: Improper Link Resolution Before File Access
The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of files. By exploiting these combination of primitives, an attacker can execute arbitrary code.
- 9.8 Critical severity
My Cloud: Insufficient Verification of Data Authenticity
A remote code execution vulnerability was discovered on Western Digital My Cloud devices where an attacker could trick a NAS device into loading through an unsecured HTTP call. This was a result insufficient verification of calls to the device. The vulnerabili
- 8.8 High severity
My Cloud: Server-Side Request Forgery
A limited SSRF vulnerability was discovered on Western Digital My Cloud devices that could allow an attacker to impersonate a server and reach any page on the server by bypassing access controls. The vulnerability was addressed by creating a whitelist for vali
- 8.8 High severity
My Cloud: Improper Neutralization of Special Elements used in a Command
A malicious user on the same LAN could use DNS spoofing followed by a command injection attack to trick a NAS device into loading through an unsecured HTTP call. Addressed this vulnerability by disabling checks for internet connectivity using HTTP.
- 8.8 High severity
My Cloud: Incorrect Comparison
A limited authentication bypass vulnerability was discovered that could allow an attacker to achieve remote code execution and escalate privileges on the My Cloud devices. Addressed this vulnerability by changing access token validation logic and rewriting rul
- 9.8 Critical severity
My Cloud: Out-of-bounds Write
My Cloud OS 5 was vulnerable to a pre-authenticated stack overflow vulnerability on the FTP service that could be exploited by unauthenticated attackers on the network. Addressed the vulnerability by adding defenses against stack overflow issues.
- 9.1 Critical severity
EdgeRover: Incorrect Permission Assignment for Critical Resource
File and directory permissions have been corrected to prevent unintended users from modifying or accessing resources. It would be more difficult for an authenticated attacker to now traverse through the files and directories. This can only be exploited once an