CVE-2022-46536 Explained : Impact and Mitigation
Learn about CVE-2022-46536, a buffer overflow vulnerability in Tenda F1203 V2.0.1.6, allowing remote attackers to execute arbitrary code. Find out mitigation steps here.
A buffer overflow vulnerability was discovered in Tenda F1203 V2.0.1.6, specifically in the limitSpeedUp parameter at /goform/SetClientState.
Understanding CVE-2022-46536
This section provides an overview of the CVE-2022-46536 vulnerability.
What is CVE-2022-46536?
CVE-2022-46536 is a buffer overflow vulnerability found in Tenda F1203 V2.0.1.6, allowing attackers to potentially execute arbitrary code or cause a denial of service.
The Impact of CVE-2022-46536
This vulnerability could be exploited by remote attackers to compromise the affected system, leading to unauthorized access or system instability.
Technical Details of CVE-2022-46536
In this section, we delve into the technical aspects of CVE-2022-46536.
Vulnerability Description
The buffer overflow occurs due to insufficient input validation in the limitSpeedUp parameter, opening the door for malicious actors to manipulate memory and execute arbitrary code.
Affected Systems and Versions
Tenda F1203 V2.0.1.6 is confirmed to be impacted by this vulnerability, potentially exposing all devices running this specific firmware version.
Exploitation Mechanism
By sending specially crafted requests to the /goform/SetClientState endpoint with malicious data in the limitSpeedUp parameter, attackers can trigger the buffer overflow and achieve their nefarious goals.
Mitigation and Prevention
Here, we discuss strategies to mitigate the risks associated with CVE-2022-46536.
Immediate Steps to Take
Users are advised to update the firmware of Tenda F1203 V2.0.1.6 to a patched version that addresses the buffer overflow vulnerability.
Long-Term Security Practices
Practicing good cybersecurity hygiene, such as regular security assessments and network monitoring, can help prevent similar vulnerabilities from being exploited in the future.
Patching and Updates
Regularly check for security updates from Tenda for the F1203 V2.0.1.6 device and apply patches promptly to ensure protection against known security flaws.