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CVE-2017-6884 is a command injection vulnerability affecting the Zyxel EMG2926 home router running firmware V1.00(AAQT.4)b8. The flaw is present in the web-based diagnostic tools, specifically the nslookup functionality, where user-controlled input is insufficiently sanitized before being passed to an operating system command. The vulnerable attack surface includes parameters supplied to the diagnostic endpoint, including the ping_ip parameter associated with the nslookup URI. By injecting shell metacharacters or additional command content into this input, an attacker can cause the router to execute arbitrary system commands.
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No valid public exploits. Mallory filtered out 2 candidates as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Zyxel vulnerability that CISA KEV’s knownRansomwareCampaignUse field silently flipped to Known during 2025 (evidence of ransomware campaign use).
A specific vulnerability used by the LiquorBot IoT botnet to infect routers and smart devices.
A specific router vulnerability explicitly listed as exploited by the LiquorBot botnet for propagation.
A specific known vulnerability (CVE-2017-6884) referenced as being exploited by the Rabbot worm to compromise IoT devices.
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.