Multi-Function Printers Vulnerable to Serial Number Discovery via eSCL Protocol by Brother
CVE-2025-8452

4.3MEDIUM

Key Information:

Vendor

Brother Industries, Ltd

Status
Dcp-l8410cdw
Mfc-l8610cdw
Mfc-l8690cdw
Mfc-l8900cdw
Vendor
CVE Published:
12 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8452?

A vulnerability exists in Brother multi-function printers that utilize the eSCL protocol, allowing attackers on the local network to discover the serial number of these devices. This serial number can be exploited in conjunction with a related vulnerability to calculate the default administrator password, compromising device security. To mitigate this risk, it is essential to change the default administrator password, as this would prevent the calculated password from being effective.

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Affected Version(s)

ADS-1350W 0

ADS-1800W 0

ADS-2700We 0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-8452 - Proof of Concept

References

https://support.brother.com/g/b/faqend.aspx?c=us&lang=en&...
vendor-advisory
https://www.rapid7.com/blog/post/multiple-brother-devices...
third-party-advisoryrelated
https://help.runzero.com/docs/installing-an-explorer/
exploit

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Rob King of AHA! and runZero
Tod Beardsley of AHA!
Stephen Fewer of Rapid7
JPCERT/CC
JSON
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