CVE-2026-33361 Meari weak XOR obfuscation

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...