Vulnerability Details CVE-2021-37273
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 52.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 7.8
Products affected by CVE-2021-37273
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cpe:2.3:h:chinatelecom:epon_tianyi_gateway_zxhn_f450:-
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cpe:2.3:o:chinatelecom:epon_tianyi_gateway_zxhn_f450_firmware:3.0