CVE-2016-7454

HIGH

Technicolor Xfinity Gateway Router DPC3941T Firmware CSRF Vulnerability

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-7454. PoCs published by Ayushman Dutta.

AI-analyzed exploit summary This exploit demonstrates a CSRF vulnerability in the XFINITY Gateway Technicolor DPC3941T router, allowing an attacker to change the WiFi password via a crafted HTML page with JavaScript. The PoC sends a POST request to the vulnerable endpoint without requiring authentication.

Description

CSRF vulnerability on Technicolor TC dpc3941T (formerly Cisco dpc3941T) devices with firmware dpc3941-P20-18-v303r20421733-160413a-CMCST allows an attacker to change the Wi-Fi password, open the remote management interface, or reset the router.

Exploits (1)

exploitdb WORKING POC
by Ayushman Dutta · htmlwebappshardware
https://www.exploit-db.com/exploits/40982

This exploit demonstrates a CSRF vulnerability in the XFINITY Gateway Technicolor DPC3941T router, allowing an attacker to change the WiFi password via a crafted HTML page with JavaScript. The PoC sends a POST request to the vulnerable endpoint without requiring authentication.

Classification
Working Poc 95%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: Technicolor DPC3941T (dpc3941-P20-18-v303r20421733-160413a-CMCST)
No auth needed
Prerequisites: Victim must visit a malicious webpage while authenticated to the router's admin panel
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/94881

Scores

CVSS v3 8.0
EPSS 0.0104
EPSS Percentile 77.9%
Attack Vector ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-352
Status published
Products (1)
technicolor/xfinity_gateway_router_dpc3941t_firmware dpc3941-p20-18-v303r20421733-160413a-cmcst
Published Dec 17, 2016
Tracked Since Feb 18, 2026