CVE-2019-18930

8.8 highEPSS 3.2%

High (8.8) in western digital my cloud ex2 ultra firmware. EPSS 3.2% chance of exploitation in the next 30 days.

Western Digital My Cloud EX2 Ultra firmware 2.31.183 allows web users (including guest account) to remotely execute arbitrary code via a stack-based buffer overflow. There is no size verification logic in one of functions in libscheddl.so, and download_mgr.cgi makes it possible to enter large-sized f_idx inputs.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.2% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2019-11-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

western_digital:my_cloud_ex2_ultra_firmware

References

https://github.com/DelspoN/CVE/blob/master/CVE-2019-18930/description.txt
https://github.com/DelspoN/CVE/tree/master/CVE-2019-18930
https://github.com/DelspoN/CVE/blob/master/CVE-2019-18930/description.txt
https://github.com/DelspoN/CVE/tree/master/CVE-2019-18930

Check your stack JSON