What is CVE-2022-50803?

CVE-2022-50803 is a critical-severity vulnerability in Jm-data Onu Jf511-tv, classified under CWE-1392. CVSS score: 9.8/10. Published 2025-12-30.

How severe is CVE-2022-50803?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Jm-data Onu Jf511-tv

CVE-2022-50803

JM-DATA ONU JF511-TV version 1.0.67 uses default credentials that allow attackers to gain unauthorized access to the device with administrative privileges.

EPSS: 0.004 (28.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jm-data Onu Jf511-tv — versions 1.0.67, 1.0.62, 1.0.55

Weakness classification (CWE)

CWE-1392

References

disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (third-party-advisory)
disclosure@vulncheck.com (vdb-entry)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2022-50803?: CVE-2022-50803 is a critical-severity vulnerability in Jm-data Onu Jf511-tv, classified under CWE-1392. CVSS score: 9.8/10. Published 2025-12-30.
How severe is CVE-2022-50803?: Critical severity. CVSS v3 base score is 9.8 out of 10.