Stack Overflow Vulnerability in TOTOLINK A3100R Router
CVE-2022-29638

7.5HIGH

Key Information:

Vendor

Totolink
Status
A3100r Firmware
Vendor
CVE Published:
18 May 2022

What is CVE-2022-29638?

TOTOLINK A3100R routers, specifically versions V4.1.2cu.5050_B20200504 and V4.1.2cu.5247_B20211129, are prone to a stack overflow vulnerability that can be exploited through the comment parameter in the setIpQosRules function. An attacker can craft a malicious POST request, leading to unexpected behavior and a potential Denial of Service situation, which can disrupt the normal operation of the device.

References

https://github.com/shijin0925/IOT/blob/master/TOTOLINK%20...
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

.