Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-111710— Netcore NR256CN through 1.5.140116 Boa Web Server NULL Pointer Dereference DoS

Quick assessment

Affected
Netcore NR256CN
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Netcore NR256CN 设备在固件版本 1.5.140116 及更早版本中，其 Boa Web 服务器的 函数存在空指针解引用漏洞。该漏洞允许未认证的攻击者通过发送构造异常的 Authorization 请求头来导致服务器崩溃。攻击者可向受保护的路径（例如 ）发送缺少冒号的 Basic Authorization 值（例如解码后仅包含单个字符的值），从而终止主 Boa 进程，致使管理界面无法访问。

CVSS 7.5 · High EPSS 0.29% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Netcore NR256CN ≤ 1.5.140116 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-111710

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Netcore NR256CN through 1.5.140116 Boa Web Server NULL Pointer Dereference DoS
Source: CVE Program / CVE List V5
Vulnerability Description
Netcore NR256CN through 1.5.140116 contains a NULL pointer dereference vulnerability in the Boa web server's user_auth() function that allows unauthenticated attackers to crash the server via a malformed Authorization header. Attackers can send a Basic Authorization value lacking a colon, such as one decoding to a single character, to protected routes like /router/get_user_type.cgi to kill the main Boa process and deny management interface access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Netcore NR256CN 0 ~ 1.5.140116 -

II. Public POCs for CVE-2026-111710

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-111710

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-111710 (1)

Proof of Concept for CVE-2026-111710 (1)

Same Patch Batch · Netcore · 2026-10-16 · 3 CVEs total

CVE-2026-111711 9.8 CRITICAL Netcore NR256CN through 1.5.140116 Pre-Auth Stack Overflow via Boa user_ok()
CVE-2026-111712 6.5 MEDIUM Netcore NR256CN through 1.5.140116 Authentication Bypass via CGI Path Prefix

IV. Related Vulnerabilities

Same product: NR256CN
Same vendor: Netcore
Same weakness: CWE-476

V. Comments for CVE-2026-111710

No comments yet

Leave a comment