CVE-2021-34983

NETGEAR Multiple Routers httpd Missing Authentication for Critical Function Information Disclosure Vulnerability

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
EPSS 0.04%
Vendor Advisory netgear.com
Affected: NETGEAR Multiple Routers
Published at:
Updated at:

References

Link Tags
https://www.zerodayinitiative.com/advisories/ZDI-21-1275/
https://kb.netgear.com/000064313/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Extenders-Routers-and-DSL-Modem-Routers-PSV-2021-0159 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-34983?
CVE-2021-34983 has been scored as a medium severity vulnerability.
How to fix CVE-2021-34983?
To fix CVE-2021-34983, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34983 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-34983 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34983?
CVE-2021-34983 affects NETGEAR Multiple Routers.
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