CVE-2026-2085
Published: 07 February 2026
Summary
CVE-2026-2085 is a high-severity Injection (CWE-74) vulnerability in Dlink Dwr-M921 Firmware. Its CVSS base score is 7.2 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 34.8% of CVEs by exploit likelihood; 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 the web UI endpoint of a network device directly enables remote exploitation of a public-facing application and arbitrary Unix shell command execution.
NVD Description
A security vulnerability has been detected in D-Link DWR-M921 1.1.50. Affected is the function sub_419F20 of the file /boafrm/formUSSDSetup of the component USSD Configuration Endpoint. The manipulation of the argument ussdValue leads to command injection. The attack can be initiated…
more
remotely. The exploit has been disclosed publicly and may be used.
Deeper analysisAI
CVE-2026-2085 is a command injection vulnerability affecting the D-Link DWR-M921 router on firmware version 1.1.50. The flaw exists in the sub_419F20 function of the /boafrm/formUSSDSetup file within the USSD Configuration Endpoint component, where manipulation of the ussdValue argument enables command injection. Published on 2026-02-07, it is associated with CWE-74 and CWE-77.
The vulnerability carries a CVSS v3.1 base score of 7.2 (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H), indicating network accessibility, low attack complexity, and a requirement for high privileges with no user interaction. Remote attackers possessing sufficient privileges can exploit it to achieve high impacts on confidentiality, integrity, and availability, potentially leading to full system compromise.
References, including GitHub issues at https://github.com/LX-66-LX/cve-new/issues/1 and VulDB entries at https://vuldb.com/?ctiid.344652, document the public disclosure of the exploit, which may be used by attackers. No specific mitigation or patch details are outlined in the provided advisories.
Details
- CWE(s)