What is CVE-2021-44623?

CVE-2021-44623 is a critical-severity vulnerability in TP-Link Tl-Wr886n, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-03-10.

How severe is CVE-2021-44623?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in TP-Link Tl-Wr886n

CVE-2021-44623

A Buffer Overflow vulnerability exists in TP-LINK WR-886N 20190826 2.3.8 via the /cloud_config/router_post/check_reset_pwd_verify_code interface.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (75.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tp-link Tl-wr886n
Tp-link Tl-wr886n_firmware — versions 20190826_2.3.8
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-44623?: CVE-2021-44623 is a critical-severity vulnerability in TP-Link Tl-Wr886n, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-03-10.
How severe is CVE-2021-44623?: Critical severity. CVSS v3 base score is 9.8 out of 10.