CVE-2021-45521
Certain NETGEAR devices are affected by a hardcoded password. This affects RBK352 before 4.4.0.10...
Certain NETGEAR devices are affected by a hardcoded password. This affects RBK352 before 4.4.0.10, RBR350 before 4.4.0.10, and RBS350 before 4.4.0.10.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Certain NETGEAR devices are affected by a hardcoded password. This affects RBK352 before 4.4.0.10, RBR350 before 4.4.0.10, and RBS350 before 4.4.0.10.
- Record
CVE-2021-45521- CVSS 3.1
- 7.4 High
CVSS:3.1/AC:L/AV:A/A:N/C:H/I:N/PR:N/S:C/UI:N - Updated
- 2026-11-02
EUVDEUVD-2021-32287
Certain NETGEAR devices are affected by a hardcoded password. This affects RBK352 before 4.4.0.10, RBR350 before 4.4.0.10, and RBS350 before 4.4.0.10.
- Record
EUVD-2021-32287- CVSS 3.1
- 7.4 High
CVSS:3.1/AC:L/AV:A/A:N/C:H/I:N/PR:N/S:C/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-82jc-pw59-h652 No score
Certain NETGEAR devices are affected by a hardcoded password. This affects RBK352 before 4.4.0.10...
Certain NETGEAR devices are affected by a hardcoded password. This affects RBK352 before 4.4.0.10, RBR350 before 4.4.0.10, and RBS350 before 4.4.0.10.
- Record
GHSA-82jc-pw59-h652- Weakness
- CWE-798
- Updated
- 2026-11-02
NVD
Certain NETGEAR devices are affected by a hardcoded password. This affects RBK352 before 4.4.0.10, RBR350 before 4.4.0.10, and RBS350 before 4.4.0.10.
- Record
CVE-2021-45521- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 3.3 Low
AV:A/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-798
- 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-2021-45521 is a high vulnerability (CVSS 7.4) in Netgear Rbk352 Firmware, published December 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 31st percentile. No source names a fixed version.