CVE-2024-0769: D-Link DIR-859 Router Path Traversal Vulnerability

CISA Known Exploited Vulnerabilities

Name

D-Link DIR-859 Router Path Traversal Vulnerability

Vendor

D-Link

Product

DIR-859 Router

Added to the catalog

2025-06-25

Due date for US federal agencies

2025-07-16

Weaknesses

CWE-22

Catalog version

2026.10.30

D-Link DIR-859 routers contain a path traversal vulnerability in the file /hedwig.cgi of the component HTTP POST Request Handler. Manipulation of the argument service with the input ../../../../htdocs/webinc/getcfg/DHCPS6.BRIDGE-1.xml allows for the leakage of session data potentially enabling privilege escalation and unauthorized control of the device. This vulnerability affects legacy D-Link products. All associated hardware revisions have reached their end-of-life (EOL) or end-of-service (EOS) life cycle and should be retired and replaced per vendor instructions.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10371
• https://nvd.nist.gov/vuln/detail/CVE-2024-0769

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2024-01-21T08:15:07.550

Last modified

2026-06-17T06:54:13.300

Weaknesses

CWE-22

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in D-Link DIR-859 1.06B01. It has been rated as critical. Affected by this issue is some unknown functionality of the file /hedwig.cgi of the component HTTP POST Request Handler. The manipulation of the argument service with the input ../../../../htdocs/webinc/getcfg/DHCPS6.BRIDGE-1.xml leads to path traversal. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-251666 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.

References

• https://github.com/c2dc/cve-reported/blob/main/CVE-2024-0769/CVE-2024-0769.md (Exploit, Third Party Advisory)
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10371 (Vendor Advisory)
• https://vuldb.com/?ctiid.251666 (Permissions Required, VDB Entry)
• https://vuldb.com/?id.251666 (Third Party Advisory, VDB Entry)
• https://github.com/c2dc/cve-reported/blob/main/CVE-2024-0769/CVE-2024-0769.md (Exploit, Third Party Advisory)
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10371 (Vendor Advisory)
• https://vuldb.com/?ctiid.251666 (Permissions Required, VDB Entry)
• https://vuldb.com/?id.251666 (Third Party Advisory, VDB Entry)
• https://nvd.nist.gov/vuln/detail/CVE-2024-0769 (US Government Resource)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-0769 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:42:15.686Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2024-0769

CVE record

Title (CNA)

D-Link DIR-859 HTTP POST Request hedwig.cgi path traversal

Assigner

VulDB

State

PUBLISHED

Published

2024-01-21T08:00:05.383Z

Updated

2025-10-21T23:05:27.747Z

Problem types

CWE-22 Path Traversal

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability was found in D-Link DIR-859 1.06B01. It has been rated as critical. Affected by this issue is some unknown functionality of the file /hedwig.cgi of the component HTTP POST Request Handler. The manipulation of the argument service with the input ../../../../htdocs/webinc/getcfg/DHCPS6.BRIDGE-1.xml leads to path traversal. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-251666 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.

References

• https://vuldb.com/?id.251666
• https://vuldb.com/?ctiid.251666
• https://github.com/c2dc/cve-reported/blob/main/CVE-2024-0769/CVE-2024-0769.md
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10371

Read on 2026-11-03T02:05:22.466Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2024/0xxx/CVE-2024-0769.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

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