CVE-2017-16249

HIGH

Brother DCP-J132W Firmware < 1.20 - Denial of Service via Malformed HTTP POST Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2017-16249. PoCs published by z00n, z00n <[email protected]>, h00die, including Metasploit module auxiliary/dos/http/brother_debut_dos.

AI-analyzed exploit summary This exploit demonstrates a remote unauthenticated denial-of-service (DoS) vulnerability in Brother printers' Debut embedded HTTP server by sending a malformed HTTP POST request, causing the server to hang and eventually respond with an HTTP 500 error.

Description

The Debut embedded http server contains a remotely exploitable denial of service where a single malformed HTTP POST request can cause the server to hang until eventually replying (~300 seconds) with an HTTP 500 error. While the server is hung, print jobs over the network are blocked and the web interface is inaccessible. An attacker can continuously send this malformed request to keep the device inaccessible to legitimate traffic.

Exploits (2)

exploitdb WORKING POC
by z00n · pythondoshardware
https://www.exploit-db.com/exploits/43119

This exploit demonstrates a remote unauthenticated denial-of-service (DoS) vulnerability in Brother printers' Debut embedded HTTP server by sending a malformed HTTP POST request, causing the server to hang and eventually respond with an HTTP 500 error.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Brother printers with Debut embedded httpd server <= 1.20
No auth needed
Prerequisites: Network access to the target device
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC
by z00n <[email protected]>, h00die · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/http/brother_debut_dos.rb

This Metasploit module exploits a Denial of Service (DoS) vulnerability in Brother Debut embedded HTTP servers by sending a malformed POST request with a mismatched Content-Length header, causing the server to hang for ~300 seconds.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Brother Debut embedded HTTP server <= 1.20
No auth needed
Prerequisites: Network access to the target printer
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4

Scores

CVSS v3 7.5
EPSS 0.5939
EPSS Percentile 99.0%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (1)
brother/dcp-j132w_firmware < 1.20
Published Nov 10, 2017
Tracked Since Feb 18, 2026