CVE-2026-101074: Stack-based Buffer Overflow in Netcore NR289-GE
A weakness has been identified in Netcore NR289-GE 1.4.5102. The affected element is the function password-check of the file /bin/boa of the component Authentication. Executing a manipulation of the argument Username can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
AI Analysis
Technical Summary
The vulnerability CVE-2026-101074 affects Netcore NR289-GE version 1.4.5102. It is a stack-based buffer overflow in the password-check function within the /bin/boa file, part of the authentication mechanism. Remote attackers can trigger this overflow by supplying a crafted Username argument. The vulnerability has a CVSS 4.0 score of 9.3, indicating critical severity. Public exploit code has been released, increasing the risk of exploitation. The vendor was notified but has not provided a fix or response.
Potential Impact
Successful exploitation allows remote attackers to cause a stack-based buffer overflow, which can lead to arbitrary code execution or denial of service. Given the critical CVSS score and public availability of exploit code, this vulnerability poses a significant risk to affected systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded or released a fix, users should consider mitigating exposure by restricting network access to the affected device and monitoring for exploit attempts until an official patch is available.
CVE-2026-101074: Stack-based Buffer Overflow in Netcore NR289-GE
Description
A weakness has been identified in Netcore NR289-GE 1.4.5102. The affected element is the function password-check of the file /bin/boa of the component Authentication. Executing a manipulation of the argument Username can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS v4.0
Score 9.3critical
Affected software
Netcore
NR289-GE
cpe:2.3:a:netcore:nr289-ge:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-101074 affects Netcore NR289-GE version 1.4.5102. It is a stack-based buffer overflow in the password-check function within the /bin/boa file, part of the authentication mechanism. Remote attackers can trigger this overflow by supplying a crafted Username argument. The vulnerability has a CVSS 4.0 score of 9.3, indicating critical severity. Public exploit code has been released, increasing the risk of exploitation. The vendor was notified but has not provided a fix or response.
Potential Impact
Successful exploitation allows remote attackers to cause a stack-based buffer overflow, which can lead to arbitrary code execution or denial of service. Given the critical CVSS score and public availability of exploit code, this vulnerability poses a significant risk to affected systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vendor has not responded or released a fix, users should consider mitigating exposure by restricting network access to the affected device and monitoring for exploit attempts until an official patch is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-09-27T17:48:00.794Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aba7e38f7a7c54106d02a17
Added to database: 09/28/2026, 14:48:24 UTC
Last enriched: 09/28/2026, 15:02:50 UTC
Last updated: 09/29/2026, 02:44:38 UTC
Views: 15
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