Western Digital My Cloud OS 5 arbitrary file read and write vulnerability via ftp
Priority HIGH 68CWE-23Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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 to the attacker.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.36405 98th percentileScored 2026-11-07
Fix Fixed My Cloud (Western Digital): 5.26.119
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Western Digital | My Cloud | My Cloud OS 5 to before 5.26.119 | 5.26.119 | Patch available | CNA |
- My Cloud VendorWestern Digital Affected My Cloud OS 5 to before 5.26.119 Fixed in 5.26.119 Patch available CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:westerndigital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:* | before 5.26.119 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_pr4100_firmware:*:*:*:*:*:*:*:* | before 5.26.119 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_ex4100_firmware:*:*:*:*:*:*:*:* | before 5.26.119 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:* | before 5.26.119 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_mirror_g2_firmware:*:*:*:*:*:*:*:* | before 5.26.119 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_mirror_g2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
- cpe:2.3:o:westerndigital:my_cloud_pr2100_firmware:*:*:*:*:*:*:*:* Versions before 5.26.119 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_pr4100_firmware:*:*:*:*:*:*:*:* Versions before 5.26.119 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_ex4100_firmware:*:*:*:*:*:*:*:* Versions before 5.26.119 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_ex2_ultra_firmware:*:*:*:*:*:*:*:* Versions before 5.26.119 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_mirror_g2_firmware:*:*:*:*:*:*:*:* Versions before 5.26.119 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_mirror_g2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:westerndigital:my_cloud_dl2100_firmware:*:*:*:*:*:*:*:* | before 5.26.119 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_dl4100_firmware:*:*:*:*:*:*:*:* | before 5.26.119 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
| cpe:2.3:o:westerndigital:my_cloud_ex2100_firmware:*:*:*:*:*:*:*:* | before 5.26.119 | Vulnerable | Westerndigital |
| cpe:2.3:h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Westerndigital |
- cpe:2.3:o:westerndigital:my_cloud_dl2100_firmware:*:*:*:*:*:*:*:* Versions before 5.26.119 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_dl4100_firmware:*:*:*:*:*:*:*:* Versions before 5.26.119 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
- cpe:2.3:o:westerndigital:my_cloud_ex2100_firmware:*:*:*:*:*:*:*:* Versions before 5.26.119 Vulnerable ·Westerndigital
- cpe:2.3:h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Westerndigital
Remediation
- Fix · CNA My Cloud (Western Digital) Fixed in 5.26.119
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Western Digital My Cloud 5.26.119
2 records Highest priority Priority HIGH 1 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2022-12203 Western Digital My Cloud OS 5 devices Command Injection VulnerabilityPriority MEDIUM 45
Timeline
- 2026-10-02 Threatist record created from CVE-2022-29844
- 2026-10-03 Alias added: GHSA-6r45-66xq-p89w
References
More Western Digital vulnerabilities
- TI-2016-08187 Unauthenticated Remote Command injection as root occurs in the Western Digital MyCloud… CVSS 3.0CRITICAL 9.8
- TI-2018-12259 It was discovered that the Western Digital My Cloud device before 2.30.196 is affected by… CVSS 3.0CRITICAL 9.8
- TI-2016-08186 Unauthenticated Remote Command injection as root occurs in the Western Digital MyCloud… CVSS 3.0CRITICAL 9.8
- TI-2018-01067 Memory corruption in Western Digital TV Media Player CVSS 3.0CRITICAL 9.8
- TI-2022-12202 Command Injection Vulnerability in Western Digital My Cloud devices CVSS 3.1CRITICAL 9.8
- TI-2025-21571 OS command injection in Western Digital My Cloud CVSS 4.0CRITICAL 9.3
Sources
- CVE-2022-29844 · CVE Program
- CVE-2022-29844 · NVD
- FIRST EPSS
- GHSA-6r45-66xq-p89w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences