CVE-2021-42784
OS Command Injection in debug_fcgi in D-Link DWR-932C E1 Firmware 1.0.0.4
OS Command Injection vulnerability in debug_fcgi of D-Link DWR-932C E1 firmware allows a remote attacker to perform command injection via a crafted HTTP request.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
OS Command Injection vulnerability in debug_fcgi of D-Link DWR-932C E1 firmware allows a remote attacker to perform command injection via a crafted HTTP request.
- Record
CVE-2021-42784- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE ListNo score
OS Command Injection in debug_fcgi in D-Link DWR-932C E1 Firmware 1.0.0.4
OS Command Injection vulnerability in debug_fcgi of D-Link DWR-932C E1 firmware allows a remote attacker to perform command injection via a crafted HTTP request.
- Record
CVE-2021-42784- Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2021-29740No score
OS Command Injection vulnerability in debug_fcgi of D-Link DWR-932C E1 firmware allows a remote attacker to perform command injection via a crafted HTTP request.
- Record
EUVD-2021-29740- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-23jf-wqc3-q3jrNo score
OS Command Injection vulnerability in debug_fcgi of D-Link DWR-932C E1 firmware allows a remote...
OS Command Injection vulnerability in debug_fcgi of D-Link DWR-932C E1 firmware allows a remote attacker to perform command injection via a crafted HTTP request.
- Record
GHSA-23jf-wqc3-q3jr- Weakness
- CWE-78
- 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-2021-42784 is a critical vulnerability (CVSS 9.8) in D-link Dwr-932c E1, published November 23, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.12%, the 94th percentile. No source names a fixed version.