CVE-2026-2120

D-Link DIR-823X Configuration Parameter set_server_settings os command injection

CVSS 8.6 HIGHEPSS 3.9%CWE-77 CWE-78

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.6EPSS 3.9%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

08 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A vulnerability was identified in D-Link DIR-823X 250416. This affects an unknown function of the file /goform/set_server_settings of the component Configuration Parameter Handler. The manipulation of the argument terminal_addr/server_ip/server_port leads to os command injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

Affected products

D-Link · DIR-823X

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References

https://github.com/master-abc/cve/issues/26 https://vuldb.com/?ctiid.344694 https://vuldb.com/?id.344694 https://vuldb.com/?submit.746916 https://www.dlink.com/