CVE-2026-118579 (GCVE-0-2026-118579)
Vulnerability from cvelistv5 – Published: 2026-10-28 23:00 – Updated: 2026-10-29 17:20
VLAI
EPSS
VEX
Title
D-Link DIR-505 Web Management CGI secmark1524.cgi main backdoor
Summary
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.
Severity
9.8 (Critical)
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-29 15:50 UTC
CWE
- CWE-912 - Backdoor
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/428018 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/428018/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-118579 | third-party-advisory |
| https://vuldb.com/submit/1025351 | third-party-advisory |
| https://github.com/Walnut1337/DIR-505_backdoor/tr… | exploit |
| https://www.dlink.com/ | product |
Impacted products
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Sightings
| Author | Source | Type | Date | Other |
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
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They have not been verified by an analyst and are provided for guidance only.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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