CVE-2021-34983
6.5 · MEDIUMOverview
CVE-2021-34983 is a medium-severity vulnerability affecting netgear xr1000_firmware. It was published on May 7, 2024 and has a CVSS 3.0 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the httpd service, which listens on TCP port 80 by default. The issue results from the lack of authentication prior to allowing access to system configuration information. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-13708.
Remediation
Check the references section for vendor advisories and patches from netgear. Update xr1000_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 |
|---|---|---|---|
| netgear | xr1000_firmware | >= 0, < 1.0.0.64 | Affected |
| netgear | xr300_firmware | >= 0, < 1.0.3.68 | Affected |
| netgear | d6220_firmware | >= 0, < 1.0.0.76 | Affected |
| netgear | d6400_firmware | >= 0, < 1.0.0.108 | Affected |
| netgear | d7000v2_firmware | >= 0, < 1.0.0.76 | Affected |
| netgear | dgn2200v4_firmware | >= 0, < 1.0.0.126 | Affected |
| netgear | v6510-1fxaus_firmware | >= 0, < 1.0.0.80 | Affected |
| netgear | dc112a_firmware | >= 0, < 1.0.0.62 | Affected |
| netgear | ex3700_firmware | >= 0, < 1.0.0.94 | Affected |
| netgear | ex3800_firmware | >= 0, < 1.0.0.94 | Affected |
References
Frequently Asked Questions
What is CVE-2021-34983?
CVE-2021-34983 is a medium-severity vulnerability affecting netgear xr1000_firmware. It was published on May 7, 2024 and has a CVSS 3.0 base score of 6.5 (MEDIUM).
How severe is CVE-2021-34983?
This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-34983?
Check the references section for vendor advisories and patches from netgear. Update xr1000_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-2021-34983?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-34983 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.
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