CVE-2022-44260 : What You Need to Know
Learn about CVE-2022-44260, a post-authentication buffer overflow vulnerability in TOTOLINK LR350 V9.3.5u.6369_B20220309 firmware. Find out its impact, affected systems, exploitation details, and mitigation strategies.
This article provides detailed information about CVE-2022-44260, a post-authentication buffer overflow vulnerability found in TOTOLINK LR350 V9.3.5u.6369_B20220309 firmware.
Understanding CVE-2022-44260
In this section, we will delve into the specifics of CVE-2022-44260.
What is CVE-2022-44260?
CVE-2022-44260 is a post-authentication buffer overflow vulnerability that exists in TOTOLINK LR350 V9.3.5u.6369_B20220309 firmware. The vulnerability occurs via a buffer overflow in the setIpPortFilterRules function when processing the sPort/ePort parameters.
The Impact of CVE-2022-44260
This vulnerability could allow a remote attacker to execute arbitrary code or cause a denial of service by sending a crafted request to a vulnerable device.
Technical Details of CVE-2022-44260
In this section, we will explore the technical details of CVE-2022-44260.
Vulnerability Description
The buffer overflow vulnerability arises in the setIpPortFilterRules function due to insufficient boundary checks on the sPort/ePort parameters.
Affected Systems and Versions
The TOTOLINK LR350 V9.3.5u.6369_B20220309 firmware is affected by this vulnerability.
Exploitation Mechanism
An attacker can exploit this vulnerability by sending a specially crafted request containing malicious input to the affected device, triggering the buffer overflow.
Mitigation and Prevention
Understanding how to mitigate and prevent the exploitation of CVE-2022-44260 is crucial.
Immediate Steps to Take
Users are advised to update their TOTOLINK LR350 V9.3.5u.6369_B20220309 firmware to a secure version provided by the vendor. Additionally, network segmentation and access control lists can help limit the impact of potential attacks.
Long-Term Security Practices
Implementing regular security audits, monitoring network traffic for anomalies, and keeping systems up to date with vendor security patches are essential for long-term security.
Patching and Updates
Stay informed about security updates released by TOTOLINK and promptly apply patches to ensure your devices are protected against known vulnerabilities.