EUVD-2026-77331
GHSA-8c98-9627-pm2g
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-accessible web interface, low complexity; PR:L reflects required admin authentication; S:C because router compromise impacts all downstream connected systems.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
8DescriptionCVE.org
A weakness has been identified in D-Link DWR-M920 1.1.7. This issue affects the function sub_41E60C of the file /boafrm/formPinManageSetup. This manipulation of the argument newPin causes os command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
AnalysisAI
OS command injection in D-Link DWR-M920 firmware version 1.1.7 allows a network-adjacent or remote authenticated attacker to execute arbitrary operating system commands by manipulating the newPin parameter submitted to the /boafrm/formPinManageSetup endpoint. The vulnerability resides in the sub_41E60C function, which fails to sanitize user-supplied input before passing it to a system call. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires: (1) network access to the router's web management interface - either LAN/WLAN-adjacent or WAN-side if remote management is enabled; (2) valid credentials for the router admin interface (PR:L), meaning at minimum low-privilege authentication is needed - however, default or weak credentials are common on consumer D-Link hardware; (3) the /boafrm/formPinManageSetup endpoint must be reachable, which it is in the default firmware configuration. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N with E:P) scores 8.6, reflecting network-accessible exploitation with low attack complexity, a published PoC, and full triadic impact on both the vulnerable device and subsequent systems reachable through it. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Scan your network to identify all DWR-M920 deployments; publicly available exploit code exists, so immediately restrict administrative access to trusted networks only and disable remote management unless operationally critical. …
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Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
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