Unrated severityNVD Advisory· Published Mar 5, 2021· Updated Aug 3, 2024
CVE-2021-27257
CVE-2021-27257
Description
This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of NETGEAR R7800 firmware version 1.0.2.76. Authentication is not required to exploit this vulnerability. The specific flaw exists within the downloading of files via FTP. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-12362.
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Affected products
2Patches
Vulnerability mechanics
References
2- kb.netgear.com/000062883/Security-Advisory-for-Multiple-Vulnerabilities-on-Some-Routers-Satellites-and-Extendersmitrex_refsource_MISC
- www.zerodayinitiative.com/advisories/ZDI-21-264/mitrex_refsource_MISC
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