CVE-2021-45655
NETGEAR R6400 devices before 1.0.1.70 are affected by server-side injection.
NETGEAR R6400 devices before 1.0.1.70 are affected by server-side injection.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
NETGEAR R6400 devices before 1.0.1.70 are affected by server-side injection.
- Record
CVE-2021-45655- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AC:L/AV:A/A:H/C:N/I:L/PR:H/S:C/UI:N - Updated
- 2026-11-02
EUVDEUVD-2021-32421
NETGEAR R6400 devices before 1.0.1.70 are affected by server-side injection.
- Record
EUVD-2021-32421- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AC:L/AV:A/A:H/C:N/I:L/PR:H/S:C/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r8hf-cx4m-8hgj
NETGEAR R6400 devices before 1.0.1.70 are affected by server-side injection.
NETGEAR R6400 devices before 1.0.1.70 are affected by server-side injection.
- Record
GHSA-r8hf-cx4m-8hgj- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
NETGEAR R6400 devices before 1.0.1.70 are affected by server-side injection.
- Record
CVE-2021-45655- CVSS 3.1
- 6.9 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H - CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.2 Medium
AV:A/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-74
- 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-2021-45655 is a medium vulnerability (CVSS 6.9) in Netgear R6400 Firmware, published December 26, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.