CVE-2021-44622 — CRITICAL (9.8)

Vulnerability Description

A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/check_reg_verify_code function which could let a remove malicious user execute arbitrary code via a crafted post request.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Wr886N Firmware	20190826_2.3.8
Tp-Link	Tl-Wr886N	-

Related Weaknesses (CWE)

CWE-120

References

https://github.com/Yu3H0/IoT_CVE/tree/main/886N/chkRegVeriRegisterExploitThird Party Advisory
https://github.com/Yu3H0/IoT_CVE/tree/main/886N/chkRegVeriRegisterExploitThird Party Advisory

FAQ

What is CVE-2021-44622?

CVE-2021-44622 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/check_reg_verify_code function which could let a remove malicious user execute arbitrary code ...

How severe is CVE-2021-44622?

CVE-2021-44622 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-44622?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Wr886N Firmware, Tp-Link Tl-Wr886N.