PT-2022-2223 · Tp Link · Tp-Link Wr-886N

Published

2022-03-09

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Updated

2022-03-18

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CVE-2021-44622

CVSS v3.1

10

Critical

VectorAV: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 A Buffer Overflow issue exists in the /cloud config/router post/check reg verify code function, which could allow a remote malicious user to execute arbitrary code via a crafted post request. This is caused by a stack-based buffer overflow in the router's firmware. Exploitation of this issue may permit a remote attacker to execute arbitrary code using a specially formed request.
Recommendations For TP-LINK WR-886N version 20190826 2.3.8, as a temporary workaround, consider disabling the check reg verify code function until a patch is available. Restrict access to the /cloud config/router post/check reg verify code endpoint 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

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Weakness Enumeration

Related Identifiers

BDU:2022-02307
CVE-2021-44622

Affected Products

Tp-Link Wr-886N