CVE-2026-2227
Published: 09 February 2026
Summary
CVE-2026-2227 is a medium-severity Injection (CWE-74) vulnerability in Dlink Dcs-931L Firmware. Its CVSS base score is 4.7 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 22.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Developer assessments and testing (including injection-focused techniques) identify improper neutralization of special elements, and the verifiable flaw remediation corrects them pre-deployment.
Identifies indicators of injection attacks (command, SQL, LDAP, etc.) via anomaly and attack monitoring.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Command injection in network-exposed web/CGI endpoint (AdminID param) directly enables remote exploitation of public-facing application and Unix shell command execution on the device.
NVD Description
A vulnerability was found in D-Link DCS-931L up to 1.13.0. Impacted is the function doSystem of the file /setSystemAdmin. Performing a manipulation of the argument AdminID results in command injection. The attack may be initiated remotely. The exploit has been…
more
made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.
Deeper analysisAI
CVE-2026-2227 is a command injection vulnerability affecting D-Link DCS-931L cameras in versions up to 1.13.0. The flaw exists in the doSystem function of the /setSystemAdmin file, where manipulation of the AdminID argument enables arbitrary command injection. Published on 2026-02-09, it is rated at CVSS 3.1 score of 4.7 (AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L) and maps to CWEs-74 and CWE-77.
The vulnerability is exploitable remotely by attackers with high privileges, such as administrative access (PR:H). Upon successful exploitation, adversaries can achieve low-level impacts on confidentiality, integrity, and availability, potentially executing injected commands within the context of the affected component.
Advisories note that the vulnerability only affects products no longer supported by the maintainer, with no patches available. An exploit has been publicly released and is documented on GitHub at https://github.com/cha0yang1/CVE/blob/main/D-Link%20DCS931L1.md, alongside details from VulDB references including https://vuldb.com/?ctiid.344944, https://vuldb.com/?id.344944, https://vuldb.com/?submit.753450, and https://vuldb.com/?submit.753980.
Details
- CWE(s)