A weakness has been identified in D-Link DIR-505 1.10B02. The impacted element is the function main of the file /secmark1524.cgi of the component Web Management CGI. This manipulation of the argument accu/pass/code/hash/cmds causes backdoor. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00787.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
D-link Subscribe
Dir-505 Subscribe

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/Walnut1337/DIR-505_backdoor/tree/main/poc cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-118579 cve-icon cve-icon
https://vuldb.com/submit/1025351 cve-icon cve-icon
https://vuldb.com/vuln/428018 cve-icon cve-icon
https://vuldb.com/vuln/428018/cti cve-icon cve-icon
https://www.dlink.com/ cve-icon cve-icon
History

Wed, 28 Oct 2026 23:15:00 +0000

Type Values Removed Values Added
Description A weakness has been identified in D-Link DIR-505 1.10B02. The impacted element is the function main of the file /secmark1524.cgi of the component Web Management CGI. This manipulation of the argument accu/pass/code/hash/cmds causes backdoor. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.
Title D-Link DIR-505 Web Management CGI secmark1524.cgi main backdoor
First Time appeared D-link
D-link dir-505
Weaknesses CWE-912
CPEs cpe:2.3:h:d-link:dir-505:*:*:*:*:*:*:*:*
Vendors & Products D-link
D-link dir-505
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-29T17:20:48.522Z

Reserved: 2026-10-28T15:56:24.228Z

Link: CVE-2026-118579

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-28T23:17:09.940

Modified: 2026-10-29T14:56:26.107

Link: CVE-2026-118579

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-29T00:30:14Z

Weaknesses