CVE-2021-21940

A heap-based buffer overflow vulnerability exists in the pushMuxer processRtspInfo functionality of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted network packet can lead to a heap buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.

CVSS v3 10.0 CRITICAL
CVSS v2.0 7.5 HIGH

10.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1369	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:anker:eufy_homebase_2_firmware:2.1.6.9h:*:*:*:*:*:*:*

cpe:2.3:h:anker:eufy_homebase_2:-:*:*:*:*:*:*:*

History

29 Jul 2022, 15:02

Type	Values Removed	Values Added
CVSS	v2 : ~~7.5~~ v3 : ~~9.8~~	v2 : 7.5 v3 : 10.0

19 Oct 2021, 12:04

Type	Values Removed	Values Added
References	~~(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1369 -~~	(MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1369 - Exploit, Third Party Advisory
CPE		cpe:2.3:o:anker:eufy_homebase_2_firmware:2.1.6.9h:::::::* cpe:2.3:h:anker:eufy_homebase_2:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
CWE		CWE-787

12 Oct 2021, 15:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-12 14:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-21940

Mitre link : CVE-2021-21940

CVE.ORG link : CVE-2021-21940

JSON object : View

Products Affected

anker

eufy_homebase_2_firmware
eufy_homebase_2

CWE

CWE-787

Out-of-bounds Write

CWE-122

Heap-based Buffer Overflow

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