High severity7.5NVD Advisory· Published Sep 28, 2021· Updated Jun 17, 2026
CVE-2021-37273
CVE-2021-37273
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.
Affected products
2- China Telecom Corporation/EPON Tianyi Gateway ZXHN F450description
- Range: = 3.0
Patches
Vulnerability mechanics
References
1- www.cnvd.org.cn/flaw/show/2958526nvdThird Party Advisory
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