CVE-2026-15484 is a remote buffer overflow vulnerability affecting TRENDnet TEW-821DAP firmware version 1.12B01. The flaw is present in function sub_41EC14 within the /goform/tools_nslookup handler of the device's ssi component. Improper handling of attacker-controlled input can cause memory corruption consistent with a classic buffer overflow condition. The issue is reported as remotely reachable over the network. The affected product line is end-of-life and no longer supported by the maintainer, and the vendor has stated it could not confirm the vulnerability for the unsupported TEW-821DAP line.
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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 public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.