CVE-2021-43662

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

3.3 /10

CVSS v2.0 : LOW

V2 Legend

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

Exploitability : 6.5 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md Exploit Third Party Advisory
https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:totolink:ex300_v2_firmware:4.0.3c.140_b20210429:*:*:*:*:*:*:*
cpe:2.3:h:totolink:ex300_v2:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:totolink:a720r_firmware:4.1.5cu.470_b20200911:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a720r:-:*:*:*:*:*:*:*
History

21 Nov 2024, 06:29

Type Values Removed Values Added
References () https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md - Exploit, Third Party Advisory () https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md - Exploit, Third Party Advisory

12 Jul 2022, 17:42

Type Values Removed Values Added
CWE CWE-400 CWE-770

05 Apr 2022, 19:13

Type Values Removed Values Added
References (MISC) https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md - (MISC) https://github.com/chibataiki/iot-vuls/blob/main/totolink/dos.md - Exploit, Third Party Advisory
CPE cpe:2.3:o:totolink:ex300_v2_firmware:4.0.3c.140_b20210429:*:*:*:*:*:*:*
cpe:2.3:h:totolink:a720r:-:*:*:*:*:*:*:*
cpe:2.3:h:totolink:ex300_v2:-:*:*:*:*:*:*:*
cpe:2.3:o:totolink:a720r_firmware:4.1.5cu.470_b20200911:*:*:*:*:*:*:*
CWE CWE-400
CVSS v2 : unknown
v3 : unknown 		v2 : 3.3
v3 : 6.5

31 Mar 2022, 00:47

Type Values Removed Values Added
New CVE
Information

Published : 2022-03-31 00:15

Updated : 2024-11-21 06:29

NVD link : CVE-2021-43662

Mitre link : CVE-2021-43662

CVE.ORG link : CVE-2021-43662

JSON object : View

Products Affected

totolink

  • ex300_v2_firmware
  • a720r_firmware
  • a720r
  • ex300_v2
CWE
CWE-770

Allocation of Resources Without Limits or Throttling