HOMEVULNERABILITIESCVE-2021-45077
HIGH

CVE-2021-45077

CWE-312Published: December 30, 2021· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

Netgear Nighthawk R6700 version 1.0.4.120 stores sensitive information in plaintext. All usernames and passwords for the device's associated services are stored in plaintext on the device. For example, the admin password is stored in plaintext in the primary configuration file on the device.

NVD Source

Technical Analysis

CVE-2021-45077 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

netgear2 product(s)
r6700 firmwarer6700
Source: NVD CPE · 2 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-2021-45077
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-312
CISA KEVNo
Affected1 vendor(s)
PublishedDec 30, 2021

Related CVEs (CWE-312)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2021-45077 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.