High severity8.8NVD Advisory· Published Mar 29, 2023· Updated Jun 17, 2026
CVE-2022-27646
CVE-2022-27646
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. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the circled daemon. A crafted circleinfo.txt file can trigger an overflow of a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15879.
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Affected products
26Patches
Vulnerability mechanics
References
2- kb.netgear.com/000064721/Security-Advisory-for-Multiple-Vulnerabilities-on-Multiple-Products-PSV-2021-0324nvdVendor Advisory
- www.zerodayinitiative.com/advisories/ZDI-22-523/nvdThird Party AdvisoryVDB Entry
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