Vulnerabilities > CVE-2022-24973 - Stack-based Buffer Overflow vulnerability in Tp-Link Tl-Wr940N Firmware 3.20.1

047910
CVSS 8.0 - HIGH
Attack vector
ADJACENT_NETWORK
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
low complexity
tp-link
CWE-121

Summary

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-13992.

Vulnerable Configurations

Part Description Count
OS
Tp-Link
1
Hardware
Tp-Link
1

Common Weakness Enumeration (CWE)