CVE-2022-37128
Published: 31 August 2022
Summary
CVE-2022-37128 is a critical-severity Improper Initialization (CWE-665) vulnerability in Dlink Dir-816 Firmware. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 19.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
CVE-2022-37128 is an improper initialization vulnerability in the D-Link DIR-816 router running firmware A2_v1.10CNB04.img. The flaw resides in the /goform/wizard_end endpoint, which permits network initialization without any authentication, allowing remote configuration of the device over the network. It carries a CVSS 3.1 score of 9.8 and is associated with CWE-665.
An unauthenticated attacker with network access can invoke the wizard endpoint to complete initial setup, thereby gaining the ability to configure or take control of the router and its connected network with full impact on confidentiality, integrity, and availability.
D-Link references its security bulletin page for the affected product line, while public analysis on GitHub details the endpoint behavior. The associated EPSS score rose from a low baseline to a peak of 0.0692 on 2025-12-11 before receding to the current value of 0.0138, indicating a period of increased exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-39781
Vulnerability details
In D-Link DIR-816 A2_v1.10CNB04.img the network can be initialized without authentication via /goform/wizard_end.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
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.
Ensures shared resources are explicitly initialized or cleared on allocation, preventing exposure of prior contents to new users or processes.
Mandates that every instance begins in a known (presumably clean) state, eliminating reliance on residual or uninitialized state left by prior executions.