PT-2021-17967 · Tp Link · Tl-Wpa4220

Published 2021-06-15 · Updated 2021-06-23 · CVE-2021-28857

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions: TL-WPA4220 version 4.0.2 Build 20180308 Rel.37064

Description: The issue concerns the transmission of sensitive information, specifically the username and password, via a cookie. This could potentially expose user credentials to unauthorized access.

Recommendations: For TL-WPA4220 version 4.0.2 Build 20180308 Rel.37064, consider restricting access to the device until a fix is available, and avoid using the device for sensitive operations. As a temporary workaround, consider disabling the use of cookies for authentication until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Insufficiently Protected Credentials

Weakness Enumeration

CWE-522

Related Identifiers

CVE-2021-28857

Affected Products

Tl-Wpa4220

References · 4

• 🔥 https://yunus-shn.medium.com/tp-links-tl-wpa4220-v4-0-cleartext-credentials-in-cookie-7516a2649394 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-28857 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28857 · Vendor Advisory
• https://t.me/cvenotify/16409 · Telegram Post