CVE-2021-3275 : What You Need to Know
Learn about CVE-2021-3275, an XSS vulnerability impacting TP-Link products like WIFI Routers. Understand the impact, affected systems, exploitation, and mitigation steps.
A detailed overview of CVE-2021-3275, an unauthenticated stored cross-site scripting (XSS) vulnerability affecting multiple TP-Link products.
Understanding CVE-2021-3275
This section will cover what CVE-2021-3275 is and the impact it has.
What is CVE-2021-3275?
CVE-2021-3275 involves unauthenticated stored cross-site scripting (XSS) vulnerabilities found in various TP-Link devices, including WIFI Routers, Access Points, ADSL + DSL Gateways, and Routers. Specifically, devices like TD-W9977v1, TL-WA801NDv5, TL-WA801Nv6, TL-WA802Nv5, and Archer C3150v2 are affected due to improper validation of hostnames.
The Impact of CVE-2021-3275:
The vulnerability allows attackers to execute malicious scripts in the context of a user's browser, potentially leading to sensitive information theft, account takeover, or malware delivery.
Technical Details of CVE-2021-3275
Explore the technical aspects of CVE-2021-3275, including the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability arises from the lack of proper validation of hostnames, enabling threat actors to inject and execute malicious scripts through specific vulnerable pages within the affected TP-Link devices.
Affected Systems and Versions
TP-Link devices such as TD-W9977v1, TL-WA801NDv5, TL-WA801Nv6, TL-WA802Nv5, and Archer C3150v2 are confirmed to be impacted by this XSS vulnerability.
Exploitation Mechanism
By exploiting this vulnerability, attackers can embed harmful scripts into vulnerable pages like dhcp.htm, networkMap.htm, dhcpClient.htm, qsEdit.htm, and qsReview.htm, ultimately leading to XSS attacks.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-3275 and prevent any potential exploitation.
Immediate Steps to Take
Users are advised to disable remote access to the affected devices, implement strong password policies, and regularly monitor for suspicious activities.
Long-Term Security Practices
Enforce network segmentation, keep devices updated with the latest firmware, conduct security assessments, and educate users on safe browsing practices to enhance overall security posture.
Patching and Updates
Stay informed about security patches released by TP-Link for the affected devices and apply them promptly to address the XSS vulnerability.