HOMEVULNERABILITIESCVE-2021-45645
CRITICAL

CVE-2021-45645

NVD-CWE-noinfoPublished: December 26, 2021· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects RBS50Y before 2.7.0.122, SRK60 before 2.7.0.122, SRR60 before 2.7.0.122, SRS60 before 2.7.0.122, SXK30 before 3.2.33.108, SXR30 before 3.2.33.108, SXS30 before 3.2.33.108, and SRC60 before 2.7.0.122.

NVD Source

Technical Analysis

CVE-2021-45645 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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

netgear16 product(s)
rbs50y firmwarerbs50ysrk60 firmwaresrk60srr60 firmwaresrr60srs60 firmwaresrs60sxk30 firmwaresxk30sxr30 firmwaresxr30+4
Source: NVD CPE · 16 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://kb.netgear.com/000064530/Security-Advisory-for-Security-Misconfiguration-on-Some-WiFi-Systems-PSV-2021-0127
PATCHhttps://kb.netgear.com/000064530/Security-Advisory-for-Security-Misconfiguration-on-Some-WiFi-Systems-PSV-2021-0127

All References (2)

→
https://kb.netgear.com/000064530/Security-Advisory-for-Security-Misconfiguration-on-Some-WiFi-Systems-PSV-2021-0127Patch · Vendor Advisory
→
https://kb.netgear.com/000064530/Security-Advisory-for-Security-Misconfiguration-on-Some-WiFi-Systems-PSV-2021-0127Patch · Vendor Advisory

Quick Facts

CVE IDCVE-2021-45645
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedDec 26, 2021

Related CVEs (NVD-CWE-noinfo)

CVE-2009-2038
10.0
CVE-2009-1420
10.0
CVE-2009-2028
10.0
CVE-2009-0721
10.0
CVE-2009-1012
10.0
CVE-2009-2368
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-45645 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.
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