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Description

In Meari IoT SDK image handling (libmrplayer.so) as observed in CloudEdge 5.5.0 (build 220), Arenti 1.8.1 (build 220), and related white-label apps (<= 1.8.x), baby monitor ".jpgx3" files use reversible XOR over only the first 1024 bytes with a predictable key derivation model.

PUBLISHED Reserved 2026-03-19 | Published 2026-05-11 | Updated 2026-05-11 | Assigner runZero




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem types

CWE-326 Inadequate Encryption Strength

Product status

Default status
unaffected

firmID=8 (custom)
affected

Credits

Sammy Azdoufal finder

Tod Beardsley of runZero, Inc. coordinator

References

github.com/xn0tsa/nobody-puts-baby-in-a-corner technical-description

www.runzero.com/...eari-weak-xor-obfuscation-cve-2026-33361/ third-party-advisory

cve.org (CVE-2026-33361)

nvd.nist.gov (CVE-2026-33361)

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