title: Unprotected Primary Channel vulnerability in Movistar 4G router
description: The primary channel is unprotected on Movistar 4G router affecting E version S_WLD71-T1_v2.0.201820. This device has the 'adb' service open on port 5555 and provides access to a shell with root privileges.
problem types: CWE-419: Unprotected Primary Channel
affected:
{
defaultStatus: unaffected
product: Router Movistar 4G
vendor: Movistar
versions:
status: affected, version: ES_WLD71-T1_v2.0.20182
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: ADJACENT_NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions: Vulnerability fixed in versions from ES_WLD71-T1_v2.0.214140 onwards, released in February 2022.