Vulnerability · Published Sep 29, 2025 · Assigned by WDC PSIRT
CVE-2025-30247
Critical 9.3
In plain English
A critical-severity OS command injection in My Cloud from Western Digital. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)1.1%top 34.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Western Digital | My Cloud | 0 – before 5.31.108 |
Weakness: CWE-78 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N