HOMEVULNERABILITIESCVE-2021-29067
CRITICAL

CVE-2021-29067

NVD-CWE-noinfoPublished: March 23, 2021· Updated: Jun 17, 2026

9.6
CVSS v3.1

Official Description

Certain NETGEAR devices are affected by authentication bypass. This affects RBW30 before 2.6.2.2, RBS40V before 2.6.2.4, RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, RBK753 before 3.2.17.12, RBK753S before 3.2.17.12, RBK754 before 3.2.17.12, RBR750 before 3.2.17.12, and RBS750 before 3.2.17.12.

NVD Source

Technical Analysis

CVE-2021-29067 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.6.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected Vendors & Products

netgear26 product(s)
rbw30 firmwarerbw30rbs40v firmwarerbs40vrbk852 firmwarerbk852rbk853 firmwarerbk853rbk854 firmwarerbk854rbr850 firmwarerbr850+14
Source: NVD CPE · 26 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2021-29067
CVSS Score9.6 / 10
SeverityCRITICAL
CISA KEVNo
Affected1 vendor(s)
PublishedMar 23, 2021

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-29067 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.