CSL DualCom GPRS CS2300-R devices with firmware 1.25 through 3.53 rely on a polyalphabetic substitution cipher with hardcoded keys, which makes it easier for remote attackers to defeat a cryptographic protection mechanism by capturing IP or V.22bis PSTN protocol traffic.
CPE | Name | Operator | Version |
---|---|---|---|
gprs_cs2300-r_firmware | eq | 1.25 | |
gprs_cs2300-r_firmware | eq | 3.53 |