CVE-2026-19961 is a remotely exploitable buffer overflow vulnerability in Edimax EW-7478APC version 1.04. The flaw is present in the formWlSiteSurvey function exposed through the /goform/formWlSiteSurvey handler. An attacker can trigger the condition by supplying a crafted selSSID argument, causing memory corruption due to insufficient bounds checking during input handling. Public exploit code is reported to be available. Successful exploitation may allow compromise of the affected device, depending on runtime conditions and exploit reliability.
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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.
7 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.