CVE-2021-45531
NETGEAR D6220 devices before 1.0.0.76 are affected by command injection by an authenticated user.
NETGEAR D6220 devices before 1.0.0.76 are affected by command injection by an authenticated user.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
NETGEAR D6220 devices before 1.0.0.76 are affected by command injection by an authenticated user.
- Record
CVE-2021-45531- CVSS 3.1
- 7.1 High
CVSS:3.1/AC:H/AV:N/A:L/C:H/I:H/PR:L/S:U/UI:N - Updated
- 2026-11-02
EUVDEUVD-2021-32297
NETGEAR D6220 devices before 1.0.0.76 are affected by command injection by an authenticated user.
- Record
EUVD-2021-32297- CVSS 3.1
- 7.1 High
CVSS:3.1/AC:H/AV:N/A:L/C:H/I:H/PR:L/S:U/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8jx3-84v7-hf92 No score
NETGEAR D6220 devices before 1.0.0.76 are affected by command injection by an authenticated user.
NETGEAR D6220 devices before 1.0.0.76 are affected by command injection by an authenticated user.
- Record
GHSA-8jx3-84v7-hf92- Weakness
- CWE-77
- Updated
- 2026-11-02
NVD
NETGEAR D6220 devices before 1.0.0.76 are affected by command injection by an authenticated user.
- Record
CVE-2021-45531- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-77
- 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-2021-45531 is a high vulnerability (CVSS 7.1) in Netgear D6220 Firmware, published December 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.28%, the 70th percentile. No source names a fixed version.