CVE-2026-118579
CriticalCVSS 9.8Summary
In D-Link DIR-505 1.10B02, the main function of /secmark1524.cgi in the Web Management CGI component allows manipulation of the accu/pass/code/hash/cmds arguments to cause a backdoor. The attack can be carried out remotely, and the exploit is publicly available.
Risk Assessment
A remote attacker could use the publicly known exploit to gain unauthorized access or execute code on the device, potentially endangering the entire network.
Recommendation
Update the device firmware to a patched version or, if unavailable, retire the device and replace it with a supported model.
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Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

