A vulnerability, which was classified as problematic, has been found in China Unicom TEWA-800G 4.16L.04_CT2015_Yueme. Affected by this issue is some unknown functionality. The manipulation leads to information exposure through debug log file. It is possible to launch the attack on the physical device. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. VDB-239870 is the identifier assigned to this vulnerability.
Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Tewa-800g_firmware | Chinaunicom | 4.16l.04_ct2015_yueme (including) | 4.16l.04_ct2015_yueme (including) |
While logging all information may be helpful during development stages, it is important that logging levels be set appropriately before a product ships so that sensitive user data and system information are not accidentally exposed to potential attackers. Different log files may be produced and stored for: