What’s Vulnerable › Vulnerabilities
CVE-2024-22170: Unchecked buffer in Dynamic DNS client
- Severity: critical (CVSS 9.2 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2024-09-27 · updated 2026-06-17
- Weakness: CWE-119
Description
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.
Affected products
- Westerndigital My Cloud Dl2100 Firmware: before 5.29.102 — fixed in 5.29.102
- Westerndigital My Cloud Dl4100 Firmware: before 5.29.102 — fixed in 5.29.102
- Westerndigital My Cloud Ex2100 Firmware: before 5.29.102 — fixed in 5.29.102
- Westerndigital My Cloud Ex2 Ultra Firmware: before 5.29.102 — fixed in 5.29.102
- Westerndigital My Cloud Ex4100 Firmware: before 5.29.102 — fixed in 5.29.102
- Westerndigital My Cloud Firmware: before 5.29.102 — fixed in 5.29.102
- Westerndigital My Cloud Mirror G2 Firmware: before 5.29.102 — fixed in 5.29.102
- Westerndigital My Cloud Pr2100 Firmware: before 5.29.102 — fixed in 5.29.102
- Westerndigital My Cloud Pr4100 Firmware: before 5.29.102 — fixed in 5.29.102
- Westerndigital Wd Cloud Firmware: before 5.29.102 — fixed in 5.29.102
How to fix
Upgrade to a fixed version: Westerndigital My Cloud Dl2100 Firmware 5.29.102; Westerndigital My Cloud Dl4100 Firmware 5.29.102; Westerndigital My Cloud Ex2100 Firmware 5.29.102; Westerndigital My Cloud Ex2 Ultra Firmware 5.29.102; Westerndigital My Cloud Ex4100 Firmware 5.29.102; Westerndigital My Cloud Firmware 5.29.102; Westerndigital My Cloud Mirror G2 Firmware 5.29.102; Westerndigital My Cloud Pr2100 Firmware 5.29.102; Westerndigital My Cloud Pr4100 Firmware 5.29.102; Westerndigital Wd Cloud Firmware 5.29.102. Check the vendor advisory for mitigations.
References
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