PT-2022-2224 · Tp Link · Tp-Link Wr-886N

Published 2022-03-09 · Updated 2022-03-18 · CVE-2021-44623

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions TP-LINK WR-886N version 20190826 2.3.8

Description The issue is caused by a buffer overflow in the /cloud config/router post/check reset pwd verify code interface of the TP-LINK WR-886N router's firmware. This can allow a remote attacker to impact the confidentiality, integrity, and availability of protected information.

Recommendations For TP-LINK WR-886N version 20190826 2.3.8, consider disabling access to the /cloud config/router post/check reset pwd verify code interface until a patch is available. Restrict access to this interface to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2022-02308

CVE-2021-44623

Affected Products

Tp-Link Wr-886N

References · 6

• 🔥❌ https://github.com/Yu3H0/IoT_CVE/tree/main/886N/chkResetVeriRegister · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2021-44623 · Security Note
• https://osv.dev/vulnerability/CVE-2021-44623 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02308 · Security Note
• https://t.me/cvenotify/28165 · Telegram Post
• https://t.me/cvenotify/28178 · Telegram Post