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CVE-2026-33361— Meari weak XOR obfuscation

Quick assessment

Affected
Meari com.meari.sdk
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Meari IoT SDK是中国觅睿（Meari）公司的一个面向智能设备应用开发的物联网通信与设备管理软件开发工具包。 Meari IoT SDK存在加密问题漏洞，该漏洞源于使用可预测密钥派生模型对前1024字节进行可逆XOR加密，可能导致婴儿监视器.jpgx3文件数据泄露。

CVSS 7.5 · High EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1042

Affected Version Matrix 1

VendorProduct Version RangeStatus
Meari com.meari.sdk firmID=8 affected
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I. Basic Information for CVE-2026-33361

Vulnerability Information
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Vulnerability Title
Meari weak XOR obfuscation
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的加密强度
Source: CVE Program / CVE List V5
Vulnerability Title
Meari IoT SDK 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Meari IoT SDK是中国觅睿（Meari）公司的一个面向智能设备应用开发的物联网通信与设备管理软件开发工具包。 Meari IoT SDK存在加密问题漏洞，该漏洞源于使用可预测密钥派生模型对前1024字节进行可逆XOR加密，可能导致婴儿监视器.jpgx3文件数据泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Meari com.meari.sdk firmID=8 -

II. Public POCs for CVE-2026-33361

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III. Intelligence Information for CVE-2026-33361

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Vendor Advisories for CVE-2026-33361 (1)

Other References for CVE-2026-33361 (1)

Same Patch Batch · Meari · 2026-05-11 · 5 CVEs total

CVE-2026-33362 8.6 HIGH Meari SDK hardcoded cryptographic keys
CVE-2026-33356 7.7 HIGH Meari MQTT broker missing per-device subscribe ACL
CVE-2026-33359 7.5 HIGH Meari unauthenticated alert image access in cloud object storage
CVE-2026-33357 7.5 HIGH Meari OpenAPI device status IDOR

IV. Related Vulnerabilities

Same product: com.meari.sdk
Same vendor: Meari
Same weakness: CWE-326

V. Comments for CVE-2026-33361

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