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CVE-2026-86520— Use of Hard-coded Credentials in Bransys ELD

Quick assessment

Affected
Bransys ELD
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.

Bransys ELD 出厂时内置了硬编码的 MQTT 凭据，这些凭据将授予对连接到受影响 MQTT 代理的各个运营商子集中所有活跃设备的实时数据的读取权限。

CVSS 7.5 · High EPSS 0.41% · P35

Affected Version Matrix 4

VendorProduct Version RangeStatus
Bransys ELD < 11.00.00 affected
11.00.00 unaffected
< 1.1.54 affected
1.1.54 unaffected
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I. Basic Information for CVE-2026-86520

Vulnerability Information
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Vulnerability Title
Use of Hard-coded Credentials in Bransys ELD
Source: CVE Program / CVE List V5
Vulnerability Description
Bransys ELD is shipped with hardcoded MQTT credentials, which will grant read access to real-time data for every active device across a subset of carriers that were connected to the affected MQTT broker.
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
使用硬编码的凭证
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Bransys ELD 0 ~ 11.00.00 -
Bransys ELD 0 ~ 1.1.54 -

II. Public POCs for CVE-2026-86520

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-86520

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Other References for CVE-2026-86520 (2)

Same Patch Batch · Bransys · 2026-09-18 · 3 CVEs total

CVE-2026-86689 5.9 MEDIUM Cleartext Transmission of Sensitive Information in Bransys ELD
CVE-2026-77960 5.3 MEDIUM Use of Hard-coded Credentials in Bransys ELD

IV. Related Vulnerabilities

Same product: ELD
Same vendor: Bransys
Same weakness: CWE-798