CVE-2026-33361CWE-326

Meari weak XOR obfuscation

High · published May 11, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
18.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00269 · 18.0th percentile
Weakness
CWE-326 · Inadequate Encryption Strength
Published
2026-05-11T16:03Z
EPSS history
Timeline
  • 11 MAY 16:03Z
    Meari weak XOR obfuscation
    cvelistv5