Cleartext Credential Transmission in TP-Link's TL-WPA4220
CVE-2021-28857

7.5HIGH

Key Information:

Vendor

Tp-link
Status
Tl-WPa4220 Firmware
Vendor
CVE Published:
15 June 2021

What is CVE-2021-28857?

The TP-Link TL-WPA4220 device has a significant security flaw where sensitive login information, including usernames and passwords, are transmitted in cleartext within HTTP cookies. This vulnerability exposes users to potential unauthorized access and attacks, as attackers could easily intercept the cookies to obtain credentials without any encryption or security measures in place.

References

https://yunus-shn.medium.com/tp-links-tl-wpa4220-v4-0-cle...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.