CVE-2017-14219

MEDIUM

Intelbras Wireless N 150Mbps router WRN 240 - XSS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-14219. PoCs published by Elber Tavares.

AI-analyzed exploit summary This exploit demonstrates a persistent XSS vulnerability in Intelbras WRN 240 routers. It injects a malicious script via the SSID field, which exfiltrates credentials from the router's admin page to a remote server.

Description

XSS (persistent) on the Intelbras Wireless N 150Mbps router with firmware WRN 240 allows attackers to steal wireless credentials without being connected to the network, related to userRpm/popupSiteSurveyRpm.htm and userRpm/WlanSecurityRpm.htm. The attack vector is a crafted ESSID, as demonstrated by an "airbase-ng -e" command.

Exploits (1)

exploitdb WORKING POC
by Elber Tavares · textwebappshardware
https://www.exploit-db.com/exploits/42633

This exploit demonstrates a persistent XSS vulnerability in Intelbras WRN 240 routers. It injects a malicious script via the SSID field, which exfiltrates credentials from the router's admin page to a remote server.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Moderate
Reliability
Reliable
Target: Intelbras Wireless N 150Mbps - WRN 240 with firmware WRN 250
No auth needed
Prerequisites: Access to the router's wireless network · Ability to set up a malicious SSID · Remote server to host the malicious script
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42633/
Exploit, Third Party Advisory, URL Repurposed x_refsource_misc
http://whiteboyz.xyz/xss-roteador-intelbras-wrn-240.html

Scores

CVSS v3 6.1
EPSS 0.0144
EPSS Percentile 69.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
intelbras/wrn_240_firmware
Published Sep 07, 2017
Tracked Since Feb 18, 2026