CVE-2026-2175
Published: 08 February 2026
Summary
CVE-2026-2175 is a high-severity Command Injection (CWE-77) vulnerability in Dlink Dir-823X 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 29.0% 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.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
OS command injection in public-facing router web form directly enables remote exploitation of the application (T1190) and arbitrary Unix shell command execution (T1059.004).
NVD Description
A weakness has been identified in D-Link DIR-823X 250416. This vulnerability affects the function sub_420618 of the file /goform/set_upnp. This manipulation of the argument upnp_enable causes os command injection. Remote exploitation of the attack is possible. The exploit has been…
more
made available to the public and could be used for attacks.
Deeper analysisAI
CVE-2026-2175 is an OS command injection vulnerability (CWE-77, CWE-78) affecting the D-Link DIR-823X router running firmware version 250416. The flaw exists in the sub_420618 function of the /goform/set_upnp file, where manipulation of the upnp_enable argument triggers command injection. Published on 2026-02-08, it 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).
Attackers with high privileges can exploit this vulnerability remotely over the network with low attack complexity and no user interaction. Successful exploitation enables arbitrary OS command execution, resulting in high impacts to confidentiality, integrity, and availability on the affected device.
Advisories from VulDB and a GitHub issue confirm remote exploitation is feasible, with a public exploit available that could be leveraged in attacks. Additional references point to D-Link's site, though specific patch details are not detailed in the provided sources.
Details
- CWE(s)