What’s Vulnerable › Vulnerabilities

CVE-2019-18930

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-11-13 · updated 2026-06-17
• Weakness: CWE-787

Description

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.

Affected products

• Western Digital My Cloud Ex2 Ultra Firmware: 2.31.183

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

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