An Insufficiently Protected Credentials issue was discovered in Sierra Wireless AirLink Raven XE, all versions prior to 4.0.14, and AirLink Raven XT, all versions prior to 4.0.11. Sensitive information is insufficiently protected during transmission and vulnerable to sniffing, which could lead to information disclosure.

Sierra Wireless GX 440 devices with ALEOS firmware 4.3.2 use guessable session tokens, which are in the URL.

Sierra Wireless GX 440 devices with ALEOS firmware 4.3.2 store passwords in cleartext.

Sierra Wireless GX 440 devices with ALEOS firmware 4.3.2 do not require authentication for Embedded_Ace_Get_Task.cgi requests.

Sierra Wireless GX 440 devices with ALEOS firmware 4.3.2 allow Embedded_Ace_Set_Task.cgi command injection.

Sierra Wireless GX 440 devices with ALEOS firmware 4.3.2 have weak passwords for admin, rauser, sconsole, and user.

Sierra Wireless GX 440 devices with ALEOS firmware 4.3.2 allow Hayes AT command injection.

Sierra Wireless GX 440 devices with ALEOS firmware 4.3.2 execute the management web application as root.

ACEmanager in Sierra Wireless ALEOS 4.4.2 and earlier on ES440, ES450, GX400, GX440, GX450, and LS300 devices allows remote attackers to read the filteredlogs.txt file, and consequently discover potentially sensitive boot-sequence information, via unspecified vectors.

Sierra Wireless ALEOS before 4.4.2 on AirLink ES, GX, and LS devices has hardcoded root accounts, which makes it easier for remote attackers to obtain administrative access via a (1) SSH or (2) TELNET session.