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CVE-2026-90881— D-Link DIR-882 CGI Binary dllog.cgi main information disclosure

Quick assessment

Affected
D-Link DIR-882
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-882 固件版本截至 20260814 中发现了安全弱点。受影响的是 CGI 二进制组件中文件 /HNAP1/dllog.cgi 的 main 函数。通过执行特定操作可能导致信息泄露。该攻击可远程发起。利用该漏洞的利用程序（exploit）已公开，可被用于发起攻击。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-90881

Vulnerability Information
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Vulnerability Title
D-Link DIR-882 CGI Binary dllog.cgi main information disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in D-Link DIR-882 up to 20260814. Impacted is the function main of the file /HNAP1/dllog.cgi of the component CGI Binary. Executing a manipulation can lead to information disclosure. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
D-Link DIR-882 20260814 cpe:2.3:h:d-link:dir-882:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90881

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III. Intelligence Information for CVE-2026-90881

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Proof of Concept for CVE-2026-90881 (1)

Vendor Pages for CVE-2026-90881 (1)

Same Patch Batch · D-Link · 2026-09-15 · 4 CVEs total

CVE-2026-91001 9.9 CRITICAL D-Link DI-8400 DDNS Configuration ddns.asp ddns_asp stack-based overflow
CVE-2026-91003 9.1 CRITICAL D-Link DI-8300 CGI Service rzgl.asp rzgl_asp stack-based overflow
CVE-2026-90880 7.4 HIGH D-Link DSL-3782 Diagnostics Diagnostics.asp system command injection

IV. Related Vulnerabilities

Same product: DIR-882
Same vendor: D-Link
Same weakness: CWE-200

V. Comments for CVE-2026-90881

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