EUVD-2026-88315
GHSA-xcvp-vff4-7732
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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
Unauthenticated network command injection (PR:N/UI:N) yields arbitrary OS command execution with full C/I/A; scope Unchanged as impact stays within the compromised device's OS context.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
6DescriptionCVE.org
A security vulnerability has been detected in Netcore NR289-GE 1.4.5102. The impacted element is the function system of the file /location_time.cgi of the component Location Time Handler. The manipulation of the argument mac leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
Remote unauthenticated OS command injection in Netcore NR289-GE firmware 1.4.5102 allows attackers to execute arbitrary commands on the router via the 'mac' parameter of the /location_time.cgi Location Time Handler. Publicly available exploit code exists, and the vendor did not respond to disclosure, so no patch is available at this time. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions - remote unauthenticated exploitation against the web interface of the Netcore NR289-GE (firmware 1.4.5102) via the /location_time.cgi Location Time Handler, requiring only network reachability to the router's HTTP service and a crafted 'mac' parameter. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 base score of 9.3 is driven by a clean network-exploitable, unauthenticated profile (AV:N/AC:L/PR:N/UI:N) combined with full vulnerable-system impact (VC:H/VI:H/VA:H) plus subsequent-system impact (SC:H/SI:H/SA:H), which for OS command injection on a router is defensible since code execution typically owns the whole device. … 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 has been identified at time of analysis, and Netcore did not respond to the disclosure. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Netcore NR289-GE routers running firmware 1.4.5102, determine whether their web management interfaces are exposed to untrusted networks (including the internet or untrusted internal segments), and if so, immediately restrict access using firewall rules or disable remote management. …
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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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