Vulnerability · Published Sep 28, 2026 · Assigned by VulDB
CVE-2026-101074Netcore NR289-GE Authentication boa password-check stack-based overflow
Critical 9.8
In plain English
A critical-severity stack buffer overflow in NR289-GE from Netcore. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-410945 | Netcore NR289-GE Authentication boa password-check stack-based overflow vdb-entry, technical-description
- VDB-410945 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-101074 | CVE Analysis and Report third-party-advisory
- Submit #929202 | Netcore磊科 Router Firmware NR289-GE_V1.4.5102 Stack-based Buffer Overflow third-party-advisory
- https://github.com/senxitoyshuyi-ui/HACKALL/blob/main/netcore_NR289-GE_V1.4.5102%2C2018.06.1418_44%20Router/Netcore_NR289-GE_boa_stack_overflow.md exploit