CVE-2021-43702
9.0 · CRITICALOverview
CVE-2021-43702 is a critical-severity vulnerability affecting asus zenwifi_xd4s_firmware. It was published on July 5, 2022 and has a CVSS 3.1 base score of 9.0 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.0, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
ASUS RT-A88U 3.0.0.4.386_45898 is vulnerable to Cross Site Scripting (XSS). The ASUS router admin panel does not sanitize the WiFI logs correctly, if an attacker was able to change the SSID of the router with a custom payload, they could achieve stored XSS on the device.
Remediation
Check the references section for vendor advisories and patches from asus. Update zenwifi_xd4s_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2021-43702?
CVE-2021-43702 is a critical-severity vulnerability affecting asus zenwifi_xd4s_firmware. It was published on July 5, 2022 and has a CVSS 3.1 base score of 9.0 (CRITICAL).
How severe is CVE-2021-43702?
This vulnerability has a CVSS 3.1 base score of 9.0, rated CRITICAL. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-43702?
Check the references section for vendor advisories and patches from asus. Update zenwifi_xd4s_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-43702?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-43702 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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