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CVE-2026-94089— D-Link DIR-868L Authentication webfa_authentication.cgi strcpy stack-based overflow

Quick assessment

Affected
D-Link DIR-868L
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.

在 D-Link DIR-868L 2.01b05 中确认存在一个漏洞。该问题影响认证处理组件中 /webfa_authentication.cgi 文件的 strcpy 函数。通过操纵 id/password 参数，可导致基于栈的缓冲区溢出。该攻击可远程执行，且利用方法已公开披露，可能被利用。

CVSS 10.0 · Critical EPSS 0.98% · P60

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
D-Link DIR-868L 2.01b05 affected
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I. Basic Information for CVE-2026-94089

Vulnerability Information
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Vulnerability Title
D-Link DIR-868L Authentication webfa_authentication.cgi strcpy stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in D-Link DIR-868L 2.01b05. This issue affects the function strcpy of the file /webfa_authentication.cgi of the component Authentication Handler. Executing a manipulation of the argument id/password can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been publicly disclosed and may be utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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
D-Link DIR-868L 2.01b05 cpe:2.3:h:d-link:dir-868l:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-94089

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III. Intelligence Information for CVE-2026-94089

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Proof of Concept for CVE-2026-94089 (1)

Vendor Pages for CVE-2026-94089 (1)

Same Patch Batch · D-Link · 2026-09-20 · 4 CVEs total

CVE-2026-93958 9.1 CRITICAL D-Link R95 DHMAPI ssi system os command injection
CVE-2026-94036 8.8 HIGH D-Link DIR-X1860/DIR-X1860Z routerd ubus access control
CVE-2026-94050 4.3 MEDIUM D-Link DIR-X1860Z ubus JSON-RPC interface routerd.get_rand_key information disclosure

IV. Related Vulnerabilities

Same product: DIR-868L
Same vendor: D-Link
Same weakness: CWE-121

V. Comments for CVE-2026-94089

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