CVE-2022-27646
NETGEAR · published 2023-03-29
Source record Collected from the National Vulnerability Database (NVD)
Description
Description by Zero Day Initiative via the CVE Program.
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.
Filed by Zero Day Initiative; not a statement by NETGEAR.
Status at the source
- NVD status: Modified
Affected products, as the source lists them
| Vendor | Product | Versions |
|---|---|---|
| NETGEAR | R6700v3 | 1.0.4.120_10.0.91: affected |
Products named in NVD's CPE match criteria (24)
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:r7850_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:r7960p_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:r8000_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:r8000p_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rax200_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rax75_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rax80_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rs400_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:cbr40_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:lbr1020_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:lbr20_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rbr10_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rbr20_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rbr40_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rbr50_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rbs10_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rbs20_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rbs40_firmware:*:*:*:*:*:*:*:*cpe:2.3:o:netgear:rbs50_firmware:*:*:*:*:*:*:*:*
DeSpy has not checked any unit, hardware revision or firmware. A product missing here is not a statement that it is unaffected.
Scores, as their sources published them
- CVSS 3.1: 8.8 HIGH — as published by NIST (Primary)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0: 8 HIGH — as published by Zero Day Initiative (Secondary)
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - SSVC — CISA's assessment (SSVC 2.0.3, CISA Coordinator): Exploitation: none · Automatable: no · Technical impact: total
DeSpy does not score records. These are the sources' own values.
Weaknesses
Sources
References the source lists
- https://kb.netgear.com/000064721/Security-Advisory-for-Multiple-Vulnerabilities-on-Multiple-Products-PSV-2021-0324
- https://www.zerodayinitiative.com/advisories/ZDI-22-523/
- https://kb.netgear.com/000064721/Security-Advisory-for-Multiple-Vulnerabilities-on-Multiple-Products-PSV-2021-0324
- https://www.zerodayinitiative.com/advisories/ZDI-22-523/
Source dates: published 2023-03-29, last changed 2026-06-17. DeSpy's copy of this version is dated 2026-09-28.
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