CVE-2021-45671
Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80...
Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.62, EX7500 before 1.0.0.72, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1.0.4.120, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.4.120, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.4.120, 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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.62, EX7500 before 1.0.0.72, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1.0.4.120, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.4.120, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.4.120, 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.
- Record
CVE-2021-45671- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AC:H/AV:A/A:L/C:L/I:H/PR:H/S:C/UI:R - Updated
- 2026-11-02
EUVDEUVD-2021-32437
Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.62, EX7500 before 1.0.0.72, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1.0.4.120, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.4.120, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.4.120, 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.
- Record
EUVD-2021-32437- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AC:H/AV:A/A:L/C:L/I:H/PR:H/S:C/UI:R - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fq8h-4493-3g4m No score
Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80...
Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.62, EX7500 before 1.0.0.72, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1.0.4.120, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.4.120, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.4.120, 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.
- Record
GHSA-fq8h-4493-3g4m- Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.62, EX7500 before 1.0.0.72, R7900 before 1.0.4.38, R8000 before 1.0.4.68, RAX200 before 1.0.4.120, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.4.120, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.4.120, 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.
- Record
CVE-2021-45671- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:L/I:H/A:L - CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-45671 is a medium vulnerability (CVSS 6.5) in Netgear Cbr40 Firmware, published December 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. No source names a fixed version.