Stack Overflow Vulnerability in Tenda Routers G1 and G3
CVE-2021-45988

7.5HIGH

Key Information:

Vendor

Tenda
Status
G1 Firmware
Vendor
CVE Published:
4 February 2022

What is CVE-2021-45988?

Tenda routers G1 and G3, specifically version 15.11.0.17(9502)_CN, have a stack overflow vulnerability in the formAddDnsForward function. This defect exposes the devices to potential denial of service attacks when manipulated through the DnsForwardRule parameter. Attackers exploiting this vulnerability can disrupt the routers' normal operation, leading to service unavailability.

References

https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_5...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-45988 : Stack Overflow Vulnerability in Tenda Routers G1 and G3