CWE
787 121
Advisory Published
Updated
Advisory Published

CVE-2021-34978: NETGEAR R6260 setupwizard.cgi Stack-based Buffer Overflow Remote Code Execution Vulnerability

First published: Thu Jan 13 2022(Updated: )

Credit: zdi-disclosures@trendmicro.com

Affected SoftwareAffected VersionHow to fix
NETGEAR R6260
Netgear R6260 Firmware=1.1.0.78_1.0.1
NETGEAR R6260

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Frequently Asked Questions

  • What is CVE-2021-34978?

    CVE-2021-34978 is a vulnerability that allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 routers.

  • How severe is CVE-2021-34978?

    CVE-2021-34978 has a severity score of 8.8, which is considered high.

  • How can an attacker exploit CVE-2021-34978?

    An attacker can exploit CVE-2021-34978 by sending a crafted SOAP request to the setupwizard.cgi page.

  • Is authentication required to exploit CVE-2021-34978?

    No, authentication is not required to exploit CVE-2021-34978.

  • Where can I find more information about CVE-2021-34978?

    You can find more information about CVE-2021-34978 in the reference links provided: [link1](https://kb.netgear.com/000064258/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-DSL-Modem-Routers-and-Access-Points-PSV-2021-0151-and-PSV-2021-0170?article=000064258) and [link2](https://www.zerodayinitiative.com/advisories/ZDI-21-1240/).

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