CVE-2021-38278 : Security Advisory and Response
Discover the buffer overflow vulnerability in Tenda AC10-1200 v15.03.06.23_EN router via the urls parameter. Learn its impact, technical details, and mitigation steps.
A buffer overflow vulnerability was discovered in Tenda AC10-1200 v15.03.06.23_EN through the urls parameter in the saveParentControlInfo function.
Understanding CVE-2021-38278
This CVE identifies a buffer overflow vulnerability in the Tenda AC10-1200 router that can be exploited through a specific parameter.
What is CVE-2021-38278?
CVE-2021-38278 highlights a buffer overflow issue present in the Tenda AC10-1200 v15.03.06.23_EN router when processing the urls parameter within the saveParentControlInfo function.
The Impact of CVE-2021-38278
This vulnerability could allow an attacker to execute arbitrary code or crash the affected router, potentially leading to a denial of service (DoS) condition.
Technical Details of CVE-2021-38278
In-depth technical information regarding the vulnerability in the Tenda AC10-1200 router.
Vulnerability Description
The buffer overflow vulnerability exists in the way the router handles the urls parameter, enabling malicious actors to trigger the issue and compromise the device.
Affected Systems and Versions
The affected system includes the Tenda AC10-1200 router with version v15.03.06.23_EN.
Exploitation Mechanism
Exploiting the vulnerability involves crafting specific input for the urls parameter to overrun the allocated buffer space and execute unauthorized commands.
Mitigation and Prevention
Guidance on how to address and prevent the CVE-2021-38278 vulnerability.
Immediate Steps to Take
Users are advised to update the firmware of the Tenda AC10-1200 router to the latest version provided by the vendor. Additionally, restricting network access to the device minimizes the risk of exploitation.
Long-Term Security Practices
Implementing network segmentation, using strong passwords, and keeping software and hardware up to date are essential practices for enhancing overall security.
Patching and Updates
Regularly check for firmware updates from Tenda and apply them promptly to safeguard the router against known vulnerabilities.