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CVE-2026-9817

Quick assessment

Affected
totolink Totolink
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.

TOTOLINK X2000R（版本：TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327）的 boa 组件在 formUploadFile 功能中存在基于堆栈的缓冲区溢出漏洞。攻击者可构造特制的 HTTP 请求，在通过身份验证后触发该漏洞，从而实现任意代码执行。

CVSS 9.1 · Critical
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I. Basic Information for CVE-2026-9817

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A stack-based buffer overflow vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
totolink Totolink TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327 -

II. Public POCs for CVE-2026-9817

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III. Intelligence Information for CVE-2026-9817

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Other References for CVE-2026-9817 (1)

Same Patch Batch · totolink · 2026-10-20 · 30 CVEs total

CVE-2026-10131 9.1 CRITICAL TOTOLINK X2000R 命令注入漏洞
CVE-2026-28763 9.1 CRITICAL TOTOLINK X2000R 栈缓冲区溢出漏洞
CVE-2026-40615 9.1 CRITICAL TOTOLINK X2000R 栈溢出漏洞
CVE-2026-40627 9.1 CRITICAL TOTOLINK X2000R V1.0.0 命令注入漏洞
CVE-2026-9827 9.1 CRITICAL TOTOLINK X2000R V1.0.0 任意文件写入漏洞
CVE-2026-9660 9.1 CRITICAL TOTOLINK X2000R 栈溢出漏洞
CVE-2026-9869 9.1 CRITICAL TOTOLINK X2000R 1.0.0 堆栈缓冲区溢出漏洞
CVE-2026-9814 9.1 CRITICAL TOTOLINK X2000R 命令注入漏洞
CVE-2026-9659 9.1 CRITICAL TOTOLINK X2000R V1.0.0 栈缓冲区溢出漏洞
CVE-2026-41223 9.1 CRITICAL TOTOLINK X2000R 堆栈缓冲区溢出漏洞
CVE-2026-41222 9.1 CRITICAL TOTOLINK X2000R V1.0.0 栈缓冲区溢出漏洞
CVE-2026-10133 9.1 CRITICAL TOTOLINK X2000R V1.0.0-B20250421.1327 栈缓冲区溢出
CVE-2026-10141 9.1 CRITICAL TOTOLINK X2000R 固件更新无签名漏洞
CVE-2026-10139 9.1 CRITICAL TOTOLINK X2000R Mcli 栈缓冲区溢出漏洞
CVE-2026-10132 9.1 CRITICAL TOTOLINK X2000R 特定版本 formIpQos 栈缓冲区溢出漏洞
CVE-2026-35499 9.1 CRITICAL Totolink X2000R V1.0.0 存在 OS 命令注入漏洞
CVE-2026-10136 9.1 CRITICAL TOTOLINK X2000R V1.0.0 堆缓冲区溢出漏洞
CVE-2026-10135 9.1 CRITICAL TOTOLINK X2000R 特定版本存在命令注入漏洞
CVE-2026-10137 9.1 CRITICAL TOTOLINK X2000R 特定版本 formUpload 栈溢出漏洞
CVE-2026-10138 9.1 CRITICAL TOTOLINK X2000R 命令注入漏洞

Showing top 20 of 30 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Totolink
Same vendor: totolink
Same weakness: CWE-121

V. Comments for CVE-2026-9817

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