CVE-2017-11456
Geneko GWR routers allow directory traversal sequences starting with a /../ substring, as demonstrated by unauthenticated read access to the configuration file.
Does this matter?
A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 8.8%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
Geneko GWR routers allow directory traversal sequences starting with a /../ substring, as demonstrated by unauthenticated read access to the configuration file.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 8.81% probability · 95th percentile
- Public exploits
- 1 in Exploit-DB · first 16 July 2017
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- geneko/gwr352 3g router firmware · geneko/gwr352wv wide voltage 3g router firmware · geneko/gwr252 edge router firmware · geneko/gwr202 gprs router firmware
- Source
- cve@mitre.org
EPSS moved from 6.6% on 21 September 2026 to 8.8% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://blogs.securiteam.com/index.php/archives/3317#more-3317Exploit, Technical Description
- https://blogs.securiteam.com/index.php/archives/3317#more-3317Exploit, Technical Description
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.