Dir 823x Firmware
CVE-2026-2129
HIGH
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3DescriptionCVE.org
A vulnerability was found in D-Link DIR-823X 250416. Affected by this issue is some unknown functionality of the file /goform/set_ac_status. Performing a manipulation of the argument ac_ipaddr/ac_ipstatus/ap_randtime results in os command injection. The attack may be initiated remotely. The exploit has been made public and could be used.
AnalysisAI
Unauthenticated remote attackers can execute arbitrary OS commands on D-Link DIR-823X routers through command injection in the /goform/set_ac_status endpoint via manipulation of ac_ipaddr, ac_ipstatus, or ap_randtime parameters. Public exploit code exists for this vulnerability, and no patch is currently available, leaving affected devices at immediate risk.
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | D-Link DIR-823X firmware 250416; attacker must possess high-privilege credentials (admin account); /goform/set_ac_status endpoint must be accessible; no default authentication bypass present — requires valid administrative access to exploit command injection. Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 7.2 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A remote attacker could exploit this flaw, os command injection. |
| Remediation | Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify and inventory all D-Link DIR-823X 250416 devices in your environment and isolate them from critical network segments if possible. …
Sign in for detailed remediation steps and compensating controls.
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External POC / Exploit Code
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