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CVE-2025-10123 is a remote command injection vulnerability affecting D-Link DIR-823X router firmware up to and including version 250416. The flaw is present in function sub_415028, which processes requests to the web management endpoint responsible for static DHCP lease configuration. By supplying a crafted value in the Hostname argument to the /goform/set_static_leases handler, an attacker can inject shell metacharacters that are incorporated into an underlying system command without proper sanitization. This results in arbitrary command execution on the device. The vulnerability stems from unsafe handling of user-controlled input in the router web interface and can lead to full compromise of the affected device.
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No public exploit code observed for this vulnerability.
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4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A command injection vulnerability in D-Link DIR-823X that Evooo1Bot was observed exploiting.
A remote command injection vulnerability in D-Link DIR-823X router firmware up to version 250416 that allows arbitrary system command execution as root via the Hostname parameter in the /goform/set_static_leases endpoint.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.