CVE-2021-21748 : Security Advisory and Response
Discover the impact and technical details of CVE-2021-21748, affecting ZTE MF971R product versions. Find mitigation steps and long-term security practices.
ZTE MF971R product has two stack-based buffer overflow vulnerabilities that could allow an attacker to execute arbitrary code.
Understanding CVE-2021-21748
This CVE involves the ZTE MF971R product, which is susceptible to two stack-based buffer overflow vulnerabilities that could lead to code execution.
What is CVE-2021-21748?
The CVE-2021-21748 vulnerability pertains to the ZTE MF971R product, where attackers could exploit stack-based buffer overflow flaws to run malicious code on affected devices.
The Impact of CVE-2021-21748
If successfully exploited, this vulnerability may allow threat actors to execute arbitrary code, potentially leading to unauthorized access or further compromise of the affected system.
Technical Details of CVE-2021-21748
This section delves into specific technical aspects of the CVE.
Vulnerability Description
The ZTE MF971R product is plagued by two stack-based buffer overflow vulnerabilities, providing attackers the ability to execute arbitrary code on impacted devices.
Affected Systems and Versions
The affected product versions include BD_ZTE_MF971RV1.0.0B05, BD_PLKPLMF971R1V1.0.0B06, BD_MF971R2V1.0.0B03, BD_ZTE_MF971RS2V1.0.0B03, and BD_ZTE_MF971RSV1.0.0B05.
Exploitation Mechanism
Attackers can exploit these vulnerabilities by crafting malicious inputs that trigger the buffer overflow conditions, thereby gaining control over the execution flow of the device.
Mitigation and Prevention
To safeguard against CVE-2021-21748, users should take immediate action and adopt long-term security practices.
Immediate Steps to Take
Users are advised to apply security patches provided by ZTE promptly to address the vulnerabilities and prevent potential exploitation.
Long-Term Security Practices
Implementing network segmentation, regular security updates, and conducting security assessments can help enhance the overall security posture.
Patching and Updates
Regularly check for security updates and apply patches released by ZTE to mitigate the risk of exploitation.