What is CVE-2021-43662?

CVE-2021-43662 is a medium-severity vulnerability in Totolink A720r, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2022-03-31.

How severe is CVE-2021-43662?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Totolink A720r

CVE-2021-43662

totolink EX300_v2, ver V4.0.3c.140_B20210429 and A720R ,ver V4.1.5cu.470_B20200911 have an issue which causes uncontrolled resource consumption.

EPSS: 0.005 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Totolink A720r
Totolink A720r_firmware — versions 4.1.5cu.470_b20200911
Totolink Ex300_v2
Totolink Ex300_v2_firmware — versions 4.0.3c.140_b20210429
N/a — versions n/a

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

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

Frequently asked questions

What is CVE-2021-43662?: CVE-2021-43662 is a medium-severity vulnerability in Totolink A720r, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2022-03-31.
How severe is CVE-2021-43662?: Medium severity. CVSS v3 base score is 6.5 out of 10.