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CVE-2025-13190— D-Link DIR-816L __ajax_exporer.sgi scandir_main stack-based overflow

Quick assessment

Affected
D-Link DIR-816L
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 DIR-816L是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-816L 2_06_b09_beta版本存在安全漏洞，该漏洞源于文件/portal/__ajax_exporer.sgi中参数en的错误操作，可能导致基于栈的缓冲区溢出。

CVSS 8.8 · High EPSS 0.82% · P55

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-13190

Vulnerability Information
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Vulnerability Title
D-Link DIR-816L __ajax_exporer.sgi scandir_main stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in D-Link DIR-816L 2_06_b09_beta. This vulnerability affects the function scandir_main of the file /portal/__ajax_exporer.sgi. The manipulation of the argument en results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.
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 DIR-816L 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-816L是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-816L 2_06_b09_beta版本存在安全漏洞，该漏洞源于文件/portal/__ajax_exporer.sgi中参数en的错误操作，可能导致基于栈的缓冲区溢出。
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 DIR-816L 2_06_b09_beta -

II. Public POCs for CVE-2025-13190

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 11922 chars
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III. Intelligence Information for CVE-2025-13190

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Vendor Pages for CVE-2025-13190 (1)

Same Patch Batch · D-Link · 2025-11-15 · 3 CVEs total

CVE-2025-13191 8.8 HIGH D-Link DIR-816L soap.cgi soapcgi_main stack-based overflow
CVE-2025-13189 8.8 HIGH D-Link DIR-816L gena.cgi genacgi_main stack-based overflow

IV. Related Vulnerabilities

Same product: DIR-816L
Same vendor: D-Link
Same weakness: CWE-121

V. Comments for CVE-2025-13190

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