title: Vulnerability in TP-LinK TL-WR841N wireless router
description: The vulnerability exists in TP-Link TL-WR841N V11 3.16.9 Build 160325 Rel.62500n wireless router due to transmission of authentication information in cleartextbase64 format. Successful exploitation of this vulnerability could allow a remote attacker to intercept credentials and subsequently perform administrative operations on the affected device through web-based management interface.
problem types: CWE-319 Cleartext Transmission of Sensitive Information
affected:
{
product: TL-WR841N
vendor: TP-Link
versions:
status: affected, version: V11 3.16.9 Build 160325 Rel.62500n
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 8.4
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
solutions: Update TPLinkWR841N firmware
https://static.tp-link.com/upload/beta/2021/202112/20211209/wr841nv11_wr841ndv11_eu_3_16_9_up_boot(211209).zip