Critical severity9.8NVD Advisory· Published Oct 28, 2026

CVE-2026-118579

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.

Patches

Vulnerability mechanics

References

github.com/Walnut1337/DIR-505_backdoor/tree/main/pocnvd
vuldb.com/cve/CVE-2026-118579nvd
vuldb.com/submit/1025351nvd
vuldb.com/vuln/428018nvd
vuldb.com/vuln/428018/ctinvd
www.dlink.comnvd

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