No exploitation reportedFix available

CVE-2021-45541

Q: Is CVE-2021-45541 actively exploited?

Active exploitation of CVE-2021-45541 has not been confirmed. Its EPSS score was 1.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2021-45541?

CVE-2021-45541 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2021-12-26
Fixed in1.0.6.110
WeaknessCWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7900 before 1.0.4.38, R7900P before 1.4.2.84, R8000 before 1.0.4.68, R8000P before 1.4.2.84, RAX200 before 1.0.3.106, MR60 before 1.0.6.110, RAX45 before 1.0.2.72, RAX80 before 1.0.3.106, MS60 before 1.0.6.110, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.

Timeline

dates in UTC

2021-12-2601:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-45541?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-45541?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Netgear mr60 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.0	< 1.0.6.110	1.0.6.110	NVD

Netgear ms60 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.0	< 1.0.6.110	1.0.6.110	NVD

Netgear r7900 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.0	< 1.0.4.38	1.0.4.38	NVD

14 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Netgear mr60 firmware to 1.0.6.110

Advisories and patches

kb.netgear.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.18.4read 2026-10-23
NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.06.5read 2026-10-23
NVDweakness (CWE)CWE-77read 2026-10-23
FIRST EPSSEPSS score1.5 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: 2021-12-26
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-45541?

Is CVE-2021-45541 actively exploited?

Active exploitation of CVE-2021-45541 has not been confirmed. Its EPSS score was 1.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-45541?

CVE-2021-45541 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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