High severity8.8NVD Advisory· Published Mar 29, 2023· Updated Jun 17, 2026
CVE-2022-27641
CVE-2022-27641
Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700v3 1.0.4.120_10.0.91 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the NetUSB module. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15806.
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Affected products
11Patches
Vulnerability mechanics
References
2- kb.netgear.com/000064437/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Multiple-Products-PSV-2021-0278nvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-22-544/nvdThird Party AdvisoryVDB Entry
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