CVE-2026-111711: NR256CN 0 through 1.5.140116

Affected technology

NR256CN · 0 through 1.5.140116
Netcore

Description’s affected range: through 1.5.140116

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Unauthenticated attackers can send a username longer than 63 bytes to any protected /router/*.cgi route to crash the main Boa process or potentially execute code. Vendor/CNA’s CVSS 4.0 assessment (base score 9.3/10) rates confidentiality, integrity and availability impact as high.