CVE-2021-37273

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

A Denial of Service issue exists in China Telecom Corporation EPON Tianyi Gateway ZXHN F450(EPON ONU) 3.0. Tianyi Gateway is a hardware terminal of "Optical Modem Smart Router." Attackers can use this vulnerability to restart the device multiple times.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Sep 28, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-37273: High severity, CVSS 7.5 | Vulnix