Unrated severityNVD Advisory· Published Jan 13, 2022· Updated Aug 4, 2024
CVE-2021-34980
CVE-2021-34980
Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6260 1.1.0.78_1.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the setupwizard.cgi page. When parsing the SOAP_LOGIN_TOKEN environment variable, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-14107.
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Affected products
2Patches
Vulnerability mechanics
References
2- kb.netgear.com/000064262/Security-Advisory-for-Vertical-Privilege-Escalation-on-Some-Routers-PSV-2021-0150mitrex_refsource_MISC
- www.zerodayinitiative.com/advisories/ZDI-21-1242/mitrex_refsource_MISC
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