Stack Overflow Vulnerability in Tenda Routers G1 and G3
CVE-2021-45995

7.5HIGH

Key Information:

Vendor

Tenda
Status
G1 Firmware
Vendor
CVE Published:
4 February 2022

What is CVE-2021-45995?

Tenda routers G1 and G3, running firmware version 15.11.0.17(9502)_CN, have been identified to contain a stack overflow vulnerability in the formSetStaticRoute function. This flaw allows attackers to exploit specific parameters related to static routing—namely staticRouteNet, staticRouteMask, and staticRouteGateway—to trigger a Denial of Service (DoS) attack. By manipulating these parameters, malicious individuals can disrupt the normal operation of the routers, thereby impacting network connectivity and performance. Organizations utilizing these affected models should prioritize mitigation strategies to defend against potential exploitation.

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References

https://github.com/pjqwudi/my_vuln/blob/main/Tenda/vuln_9...
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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