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.
Vulnerability category: Denial of service
Products affected by CVE-2021-37273
- cpe:2.3:o:chinatelecom:epon_tianyi_gateway_zxhn_f450_firmware:3.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-37273
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-37273
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
References for CVE-2021-37273
-
https://www.cnvd.org.cn/flaw/show/2958526
Third Party Advisory
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