CVE-2017-11502

CRITICAL

Technicolor DPC3928AD - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-11502. PoCs published by SecuriTeam.

AI-analyzed exploit summary This exploit demonstrates an arbitrary file disclosure vulnerability in Cisco DPC3928AD DOCSIS 3.0 2-PORT Voice Gateway via a directory traversal attack on TCP/4321. The PoC retrieves the /etc/passwd file by sending a crafted HTTP GET request.

Description

Technicolor DPC3928AD DOCSIS devices allow remote attackers to read arbitrary files via a request starting with "GET /../" on TCP port 4321.

Exploits (1)

exploitdb WORKING POC
by SecuriTeam · webappshardware
https://www.exploit-db.com/exploits/44070

This exploit demonstrates an arbitrary file disclosure vulnerability in Cisco DPC3928AD DOCSIS 3.0 2-PORT Voice Gateway via a directory traversal attack on TCP/4321. The PoC retrieves the /etc/passwd file by sending a crafted HTTP GET request.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Cisco DPC3928AD DOCSIS 3.0 2-PORT Voice Gateway
No auth needed
Prerequisites: Network access to the vulnerable device on TCP/4321
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://blogs.securiteam.com/index.php/archives/2911#more-2911

Scores

CVSS v3 9.8
EPSS 0.0712
EPSS Percentile 93.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-200
Status published
Products (1)
cisco/dpc3928ad_docsis_wireless_router_firmware
Published Jul 20, 2017
Tracked Since Feb 18, 2026