EUVD-2026-88293
GHSA-94c3-4h4v-c3cm
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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 remote auth bypass over the network (AV:N/AC:L/PR:N/UI:N); impacts kept Low and scope unchanged per the terse description, no evidence of full compromise or subsequent-system effect.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
4DescriptionCVE.org
A security flaw has been discovered in Netcore NR289-GE 1.4.5102. Impacted is an unknown function of the file /bin/boa of the component CGI Dispatcher. Performing a manipulation results in improper authentication. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
AnalysisAI
Improper authentication in the /bin/boa CGI dispatcher of Netcore NR289-GE firmware 1.4.5102 allows unauthenticated remote attackers to bypass credential checks on the router's web management interface, with low impact across confidentiality, integrity, and availability per both the CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N, E:P) and our assessed CVSS:3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N). Publicly available exploit code exists, including a GitHub write-up documenting the authentication bypass, so exploitation is a practical concern wherever the management interface is reachable - typically the LAN, or the WAN when remote administration is explicitly enabled (not default on most consumer routers). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires network reachability to the affected Netcore NR289-GE (firmware 1.4.5102) web management interface where the /bin/boa CGI dispatcher is served - normally the LAN, or the WAN only if remote administration is enabled. … 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:N/UI:N) with E:P describes a remotely reachable, low-complexity, unauthenticated improper-authentication flaw in the /bin/boa CGI dispatcher, with public exploit code proving practicality - the strongest available signal here. … 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 was identified at time of analysis, and the vendor did not respond to the disclosure, so remediation must rely on reducing exposure of the vulnerable Boa CGI dispatcher. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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