CVE-2021-37273

Published on: 09/28/2021 12:00:00 AM UTC

Last Modified on: 10/07/2021 12:42:00 PM UTC

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

Certain versions of Epon Tianyi Gateway Zxhn F450 from Chinatelecom contain the following vulnerability:

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.

  • CVE-2021-37273 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.5 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 7.8 - HIGH

Access
Vector
Access
Complexity
Authentication
NETWORK LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE COMPLETE

CVE References

Description Tags Link
No Description Provided www.cnvd.org.cn
text/html
Inactive LinkNot Archived
URL Logo MISC www.cnvd.org.cn/flaw/show/2958526

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
HardwareChinatelecomEpon Tianyi Gateway Zxhn F450-AllAllAll
Operating
System
ChinatelecomEpon Tianyi Gateway Zxhn F450 Firmware3.0AllAllAll
  • cpe:2.3:h:chinatelecom:epon_tianyi_gateway_zxhn_f450:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:chinatelecom:epon_tianyi_gateway_zxhn_f450_firmware:3.0:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-37273 : A Denial of Service issue exists in China Telecom Corporation EPON Tianyi Gateway ZXHN F450 EPON O… twitter.com/i/web/status/1… 2021-09-28 18:01:49
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