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Advisories

Ubee EVW3226 Unauthenticated Backup File Disclosure

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severity
high
date
Affecting

  • EVW3226 firmware versions <= 3.5.10

  • An affected version range remains undefined

  • This product appears to no longer be supported

CWE
  • CWE-538 Insertion of Sensitive Information into Externally-Accessible File or Directory
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
Gergely Eberhardt of Search-Lab.hu
Description
Ubee EVW3226 cable modem/routers firmware versions up to and including 1.0.20 store configuration backup files in the web root after they are generated for download. These backup files remain accessible without authentication until the next reboot. A remote attacker on the local network can request 'Configuration_file.cfg' directly to obtain the backup archive. Because backup files are not encrypted, they expose sensitive information including the plaintext admin password, allowing full compromise of the device.

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