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CVE-2013-3307 is an OS command injection vulnerability in Linksys E1000, E1200, and E3200 routers. Affected versions are E1000 through 2.1.02, E1200 before 2.0.05, and E3200 through 1.0.04. The flaw is exposed by the router web management component's apply.cgi handler on TCP port 52000, where the ping_ip parameter is insufficiently sanitized. By supplying shell metacharacters in that parameter, an attacker can cause attacker-controlled commands to be executed by the underlying operating system. The vulnerability is remotely reachable and has been used in the wild to compromise legacy routers.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
22 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linksys router vulnerability actively exploited in July 2026 and explicitly linked to Dysphoria botnet exploitation of embedded devices.
A specific vulnerability listed as exploited by the Dysphoria botnet for propagation into IoT devices.
A specifically named IoT-device vulnerability reportedly used by the Dysphoria botnet for propagation.
A decade-old router vulnerability affecting older Linksys and D-Link router models that was used to spread the AryStinger botnet malware.
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.