CVE-2021-45649

Sensitive information disclosure to local administrators

Published Dec 26, 2021 · Updated Aug 4, 2024

Sensitive information disclosure in NETGEAR R6400v2, R6700v3, R7000, R6900P, and R7000P firmware allows local users to read protected data. NETGEAR has not disclosed what information is exposed, where it resides, or what firmware operation reveals it. Exploitation requires local access and high privileges; public sources establish no remote exposure or availability impact.

CVSS severity7.9
High
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive information disclosure in NETGEAR R6400v2, R6700v3, R7000, R6900P, and R7000P firmware allows local users to read protected data. NETGEAR has not disclosed what information is exposed, where it resides, or what firmware operation reveals it. Exploitation requires local access and high privileges; public sources establish no remote exposure or availability impact.

The record

CVE
CVE-2021-45649
Published
Dec 26, 2021
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-200
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Dec 26, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

2.1NIST NVDAV:L/AC:L/Au:N/C:P/I:N/A:N
7.9NETGEARCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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