CVE-2021-34983: NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information Disclosure Vulnerability
First published: Tue May 07 2024(Updated: )
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.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NETGEAR Multiple Routers |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-34983?
The severity of CVE-2021-34983 is classified as high due to its potential to disclose sensitive information.
How do I fix CVE-2021-34983?
To mitigate CVE-2021-34983, update the firmware of your NETGEAR router to the latest version provided by the vendor.
Who is affected by CVE-2021-34983?
CVE-2021-34983 affects users of multiple NETGEAR routers that are vulnerable to missing authentication issues.
What types of information could be disclosed because of CVE-2021-34983?
CVE-2021-34983 may allow unauthorized access to sensitive configuration information stored in the affected routers.
Is CVE-2021-34983 remotely exploitable?
CVE-2021-34983 is not remotely exploitable but requires network-adjacent access to the affected routers.
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