9.3

CVE-2025-30247: western_digital my_cloud_firmware OS Command Injection

CVSS: 9.3v4.0CriticalDeferred
Published 29-09-2025Last modified 30-09-2025

Vulnerability summary

CVE-2025-30247 is a critical (CVSS 9.3) OS Command Injection vulnerability in western_digital my_cloud_firmware. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 64.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
Critical · v4.0 (CVE.org)
EPSS score
1.09%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-09-2025
    PublishedVulnerability first disclosed.
  2. 30-09-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.09%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.09% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Western_digital1 product

1 vendor · 1 product

References

1 links