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CVE-2026-124564— D-Link DIR-878 HNAP prog.cgi GetListDirectory path traversal

Quick assessment

Affected

D-Link DIR-878

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-878 固件版本 1.20B05 中发现一处安全漏洞。该问题影响 HNAP 处理组件中文件的功能。攻击者可通过操纵参数引发路径遍历漏洞，并支持远程利用。相关利用代码已公开，可被用于发起攻击。此漏洞仅影响维护方已停止支持的产品。

CVSS 5.3 · Medium Updated Nov 09, 2026

Possible ATT&CK Techniques 2 AI

T1083 · File and Directory Discovery T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

D-Link DIR-878 HNAP prog.cgi GetListDirectory path traversal

Source: CVE Program / CVE List V5

Vulnerability Description

A weakness has been identified in D-Link DIR-878 1.20B05. Affected by this issue is the function GetListDirectory of the file bin/prog.cgi of the component HNAP Handler. This manipulation of the argument ListDirectoryPath causes path traversal. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. 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:N/UI:N/S:U/C:L/I:N/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

对路径名的限制不恰当(路径遍历)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
D-Link	DIR-878	1.20B05	`cpe:2.3:h:d-link:dir-878::::::::`

II. Public POCs for CVE-2026-124564

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-124564

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Vendor Pages for CVE-2026-124564 (1)

Smart Home, SMB and Enterprise solutions | D-Link product

Other References for CVE-2026-124564 (5)

https://github.com/Zimo-666/DIR-878-cves/tree/main/06-getlistdirectory-path-traversal broken-link exploit
https://vuldb.com/cve/CVE-2026-124564 third-party-advisory
https://vuldb.com/vuln/432896/cti signature permissions-required
https://vuldb.com/submit/1035620 third-party-advisory
https://vuldb.com/vuln/432896 vdb-entry technical-description

https://www.cve.org/CVERecord?id=CVE-2026-124564

Same Patch Batch · D-Link · 2026-11-09 · 5 CVEs total

CVE-2026-124560	9.8 CRITICAL	D-Link DIR-878 HNAP prog.cgi GetCAPTCHAsetting heap-based overflow
CVE-2026-124563	7.5 HIGH	D-Link DIR-878 HNAP SetWanSettings buffer overflow
CVE-2026-124562	7.5 HIGH	D-Link DIR-878 HNAP SetWanSettings buffer overflow
CVE-2026-124561	7.5 HIGH	D-Link DIR-878 HNAP prog.cgi SetVLANSettings stack-based overflow

IV. Related Vulnerabilities

Same product: DIR-878

Same vendor: D-Link

Same weakness: CWE-22