CVE-2026-2061
Published: 06 February 2026
Summary
CVE-2026-2061 is a medium-severity Command Injection (CWE-77) vulnerability in Dlink Dir-823X Firmware. Its CVSS base score is 4.7 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Unix Shell (T1059.004); ranked at the 41.0th 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.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
OS command injection directly enables arbitrary Unix shell / network device CLI execution (T1059.004/008) on the router; the public-facing web form also maps to T1190 for initial access when admin credentials are available.
NVD Description
A vulnerability was determined in D-Link DIR-823X 250416. Affected by this issue is the function sub_424D20 of the file /goform/set_ipv6. Executing a manipulation can lead to os command injection. It is possible to launch the attack remotely. The exploit has…
more
been publicly disclosed and may be utilized.
Deeper analysisAI
CVE-2026-2061 is an OS command injection vulnerability (CWE-77, CWE-78) in the D-Link DIR-823X router running firmware version 250416. The flaw affects the function sub_424D20 in the file /goform/set_ipv6, where manipulated input can lead to arbitrary OS command execution. Published on 2026-02-06, it carries a CVSS v3.1 base score of 4.7 (AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L).
The vulnerability enables remote exploitation by attackers with high privileges, requiring low complexity and no user interaction. Successful attacks can result in limited impacts to confidentiality, integrity, and availability, such as executing unauthorized commands on the device.
Advisories and details are documented on VulDB (ctiid.344621, id.344621, submit.744286) and the D-Link website, along with a public exploit disclosure on GitHub (master-abc/cve/issues/20). The exploit has been publicly disclosed and may be utilized by attackers.
Details
- CWE(s)