Meari weak XOR obfuscation_CVE-2026-33361

7.5 / 10

HIGH

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

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.

Basic Information

ID CVE-2026-33361

Source runZero

Published May 11, 2026 at 16:03

Affected Product

Vendor Meari

Product com.meari.sdk

Version firmID=8

Affected Versions Meari com.meari.sdk firmID=8

CWE Classification

CWE-326

References

{
    "lastseen": "",
    "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": "2026-05-11T16:03:55.746Z",
    "modified": "2026-05-11T16:03:55.746Z",
    "type": "cve",
    "title": "Meari weak XOR obfuscation",
    "source": "runZero",
    "references": "https://github.com/xn0tsa/nobody-puts-baby-in-a-corner\nhttps://www.runzero.com/advisories/meari-weak-xor-obfuscation-cve-2026-33361/",
    "id": "CVE-2026-33361",
    "bulletinFamily": "",
    "cwe": [
        "CWE-326"
    ],
    "cvelist": null,
    "sourceData": "Meari com.meari.sdk firmID=8",
    "sourceHref": "",
    "cvss": {
        "score": 7.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "com.meari.sdk",
    "version": "firmID=8",
    "vendor": "Meari",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}