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CVE-2026-15483 is a remotely exploitable buffer overflow vulnerability affecting TRENDnet TEW-821DAP firmware version 1.12B01. The flaw is present in the ssi component, specifically in function sub_41EC14 associated with the /goform/tools_nslookup handler. Improper handling of the nslookup_target argument allows an attacker to trigger a buffer overflow by supplying crafted input. The issue affects an end-of-life product line that is no longer supported by the vendor.
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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.
If you can’t patch tonight, do this now.
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.