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CVE-2026-10206— D-Link DI-8400 dbsrv.asp stack-based overflow

Quick assessment

Affected
D-Link DI-8400
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

D-Link DI-8400是中国友讯（D-Link）公司的一款无线路由器。 D-Link DI-8400 16.07.26A1及之前版本存在安全漏洞，该漏洞源于/dbsrv.asp文件中str参数存在栈缓冲区溢出，可能导致远程攻击者执行任意代码。

CVSS 8.8 · High EPSS 0.50% · P41

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
D-Link DI-8400 16.07.26A1 affected
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I. Basic Information for CVE-2026-10206

Vulnerability Information
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Vulnerability Title
D-Link DI-8400 dbsrv.asp stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in D-Link DI-8400 up to 16.07.26A1. This affects an unknown function of the file /dbsrv.asp. Performing a manipulation of the argument str results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used. The initial researcher advisory mentions contradicting parameter names to be affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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
Vulnerability Title
D-Link DI-8400 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DI-8400是中国友讯（D-Link）公司的一款无线路由器。 D-Link DI-8400 16.07.26A1及之前版本存在安全漏洞，该漏洞源于/dbsrv.asp文件中str参数存在栈缓冲区溢出，可能导致远程攻击者执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
D-Link DI-8400 16.07.26A1 cpe:2.3:h:d-link:di-8400:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-10206

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 127958 chars
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In-depth vulnerability mechanism
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POC zip download
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III. Intelligence Information for CVE-2026-10206

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Proof of Concept for CVE-2026-10206 (1)

Vendor Pages for CVE-2026-10206 (1)

IV. Related Vulnerabilities

Same product: DI-8400
Same vendor: D-Link
Same weakness: CWE-121

V. Comments for CVE-2026-10206

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