VULNERABILITY INTELLIGENCE

CVE-2021-37273

CVSS score7.5 HIGH
EPSS probability0.98%
CISA KEVNot currently listed
Published2021-09-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references