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Unpatched Flaws Disclosed in Filesystem Bundled Into Millions of Embedded Devices

The Hacker Newsby @TheHackersNews ()4 min read5 · 2 reads
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-6687
+5 related CVEs
FatFs R0.16 and earlier contains a stack overflow bug in f_getlabel() because exFAT label length (XDIR_NumLabel) is trusted without enforcing spec maximums
7.6
group max
<1%PoC ×2
CVE-2026-6685
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority following a notification that the vulnerability determination was…
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From the original article

4 min read at thehackernews.com

Security firm runZero has disclosed seven vulnerabilities in FatFs , a small filesystem library that lets a device read and write the FAT and exFAT formats used on USB drives and SD cards. The flaws matter because FatFs is nearly everywhere. It ships inside the firmware that runs security cameras, drones, industrial controllers, hardware crypto wallets, and other devices built on real-time operating systems.

The Hacker News

By @TheHackersNews · thehackernews.com

Read the full article at The Hacker News

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