CVE ID :CVE-2026-111711
Published : Oct. 16, 2026, 6:17 p.m. | 42 minutes ago
Description :Netcore NR256CN through 1.5.140116 contains a pre-authentication stack overflow vulnerability in the Boa web server’s user_ok() function, which copies Basic-auth usernames with unbounded strcpy() calls into 64-byte stack buffers. 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.
Severity: 9.8 | CRITICAL
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