CVE-2022-27646

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121

Affected software

Vendor	Product	Versions
NETGEAR	R6700v3	1.0.4.120_10.0.91

References

https://kb.netgear.com/000064721/Security-Advisory-for-Multiple-Vulnerabilities-on-Multiple-Products-PSV-2021-0324Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-523/Third Party Advisory, VDB Entry
https://kb.netgear.com/000064721/Security-Advisory-for-Multiple-Vulnerabilities-on-Multiple-Products-PSV-2021-0324Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-523/Third Party Advisory, VDB Entry

Timeline

Published: Mar 29, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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