CVE-2021-43662 — MEDIUM (6.5)

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Totolink	Ex300 V2 Firmware	4.0.3c.140_b20210429
Totolink	Ex300 V2	-
Totolink	A720R Firmware	4.1.5cu.470_b20200911
Totolink	A720R	-

Related Weaknesses (CWE)

CWE-770

References

https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.mdExploitThird Party Advisory
https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.mdExploitThird Party Advisory

FAQ

What is CVE-2021-43662?

CVE-2021-43662 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

How severe is CVE-2021-43662?

CVE-2021-43662 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-43662?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink Ex300 V2 Firmware, Totolink Ex300 V2, Totolink A720R Firmware, Totolink A720R.