Stack Overflow Vulnerability in Tenda AC15 and AC18 Routers
CVE-2022-40869

9.8CRITICAL

Key Information:

Vendor

Tenda
Status
Ac15 Firmware
Vendor
CVE Published:
23 September 2022

What is CVE-2022-40869?

Tenda AC15 and AC18 routers contain a stack overflow vulnerability in the handling of DHCP client lists, specifically in the fromDhcpListClient function. This flaw occurs due to improper validation of combined parameters, allowing an attacker to potentially execute arbitrary code or cause a denial of service by sending crafted input. Users should urgently review their device configurations and apply necessary updates to mitigate risks associated with this vulnerability.

References

https://github.com/CPSeek/Router-vuls/blob/main/Tenda/AC1...
x_refsource_MISC
https://github.com/CPSeek/Router-vuls/blob/main/Tenda/AC1...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2022-40869 : Stack Overflow Vulnerability in Tenda AC15 and AC18 Routers