PT-2022-2270 · Tp Link · Tp-Link Wr-886N

Published 2022-03-09 · Updated 2022-03-12 · CVE-2021-44628

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

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

Description A Buffer Overflow issue exists in the /cloud config/router post/login feature, allowing malicious users to execute arbitrary code on the system via a crafted post request. This is caused by a stack-based buffer overflow in the router post/login function of the TP-LINK WR-886N router's firmware. Exploitation of this issue may allow a remote attacker to execute arbitrary code using a specially formed request.

Recommendations For TP-LINK WR-886N version 2.3.8, as a temporary workaround, consider disabling the /cloud config/router post/login feature until a patch is available. Restrict access to this feature to minimize the risk of exploitation. Avoid using the /cloud config/router post/login endpoint until the issue is resolved. 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:2022-02380

CVE-2021-44628

Affected Products

Tp-Link Wr-886N

References · 6

• 🔥❌ https://github.com/Yu3H0/IoT_CVE/tree/main/886N/loginRegister · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2021-44628 · Security Note
• https://osv.dev/vulnerability/CVE-2021-44628 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02380 · Security Note
• https://t.me/cibsecurity/38663 · Telegram Post
• https://vuldb.com/ru/?id.194662 · Note