CVE-2017-11456

HIGH

Geneko GWR Router Firmware - Unauthenticated Path Traversal via /../ Substring

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-11456. PoCs published by SecuriTeam.

AI-analyzed exploit summary This exploit demonstrates an unauthenticated path traversal vulnerability in Geneko GWR routers, allowing remote attackers to read arbitrary files, including sensitive configuration files like `/etc/shadow` and `/mnt/flash/params/j_admin_admin.params`. The PoC includes a Python script to fetch the `/etc/shadow` file, confirming the vulnerability.

Description

Geneko GWR routers allow directory traversal sequences starting with a /../ substring, as demonstrated by unauthenticated read access to the configuration file.

Exploits (1)

exploitdb WORKING POC
by SecuriTeam · webappshardware
https://www.exploit-db.com/exploits/44072

This exploit demonstrates an unauthenticated path traversal vulnerability in Geneko GWR routers, allowing remote attackers to read arbitrary files, including sensitive configuration files like `/etc/shadow` and `/mnt/flash/params/j_admin_admin.params`. The PoC includes a Python script to fetch the `/etc/shadow` file, confirming the vulnerability.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Geneko GWR routers
No auth needed
Prerequisites: Network access to the vulnerable router
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Technical Description x_refsource_misc
https://blogs.securiteam.com/index.php/archives/3317#more-3317

Scores

CVSS v3 7.5
EPSS 0.0881
EPSS Percentile 94.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-22
Status published
Products (4)
geneko/gwr202_gprs_router_firmware
geneko/gwr252_edge_router_firmware
geneko/gwr352_3g_router_firmware
geneko/gwr352wv_wide_voltage_3g_router_firmware
Published Jul 19, 2017
Tracked Since Feb 18, 2026