EUVD-2026-20853Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/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
Lifecycle Timeline
6DescriptionCVE.org
A security vulnerability has been detected in decolua 9router up to 0.3.47. The impacted element is an unknown function of the file /api of the component Administrative API Endpoint. The manipulation leads to authorization bypass. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 0.3.75 is sufficient to resolve this issue. It is suggested to upgrade the affected component.
AnalysisAI
Remote authorization bypass in decolua 9router up to version 0.3.47 allows unauthenticated network attackers to access the Administrative API Endpoint (/api) without proper credentials, potentially exposing sensitive functionality. The vulnerability has publicly available exploit code and vendor-released patch version 0.3.75 is available, reducing real-world risk for patched deployments but creating urgency for unpatched instances given active public disclosures.
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Vulnerability AssessmentAI
| Risk Assessment | This vulnerability presents moderate real-world risk despite a CVSS score of 6.9. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An unauthenticated attacker on the internet discovers a decolua 9router instance with version 0.3.47 or earlier running on a network-accessible IP address. The attacker uses publicly available exploit code from https://github.com/deepcat1337/Free_Api_Exploit/tree/main to send a crafted HTTP request to the /api endpoint, bypassing authorization checks and gaining access to administrative functions such as configuration retrieval, user enumeration, or system parameter modification. … |
| Remediation | Vendor-released patch: upgrade decolua 9router to version 0.3.75 or later, available at https://github.com/decolua/9router/releases/tag/v0.3.75. … Detailed patch versions, workarounds, and compensating controls in full report. |
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