CVE-2022-44254 : Exploit Details and Defense Strategies
Discover the impact of CVE-2022-44254, a critical post-authentication buffer overflow vulnerability in TOTOLINK LR350 V9.3.5u.6369_B20220309 routers. Learn about affected systems, exploitation risks, and mitigation strategies.
A post-authentication buffer overflow vulnerability has been identified in TOTOLINK LR350 V9.3.5u.6369_B20220309 through the parameter text in the setSmsCfg function.
Understanding CVE-2022-44254
This CVE report highlights a serious post-authentication buffer overflow issue in TOTOLINK LR350 routers.
What is CVE-2022-44254?
The CVE-2022-44254 vulnerability exists in the setSmsCfg function of TOTOLINK LR350 V9.3.5u.6369_B20220309 routers, allowing attackers to trigger a buffer overflow via manipulated text parameters.
The Impact of CVE-2022-44254
If exploited, this vulnerability could enable an authenticated remote attacker to execute arbitrary code on the affected system, potentially leading to a complete compromise of the device.
Technical Details of CVE-2022-44254
The technical aspects of CVE-2022-44254 include vulnerability description, affected systems and versions, and exploitation mechanism.
Vulnerability Description
The vulnerability in setSmsCfg function of TOTOLINK LR350 V9.3.5u.6369_B20220309 routers allows for a post-authentication buffer overflow by manipulating text parameters within the function.
Affected Systems and Versions
TOTOLINK LR350 V9.3.5u.6369_B20220309 routers are confirmed to be vulnerable to this issue.
Exploitation Mechanism
By sending specially crafted text parameters to the setSmsCfg function, an attacker can trigger a buffer overflow, potentially leading to remote code execution.
Mitigation and Prevention
To safeguard against CVE-2022-44254, immediate action and ongoing security practices are essential.
Immediate Steps to Take
Users should restrict network access to vulnerable devices, apply vendor-supplied patches promptly, and monitor for any signs of unauthorized access.
Long-Term Security Practices
Regular security assessments, network segmentation, and user training on identifying phishing attempts can enhance the overall security posture.
Patching and Updates
Vendor patches should be applied as soon as they are available to mitigate the risk of exploitation and enhance the security of TOTOLINK LR350 routers.