CVE-2021-31627

Buffer Overflow vulnerability in Tenda AC9 V1.0 through V15.03.05.19(6318), and AC9 V3.0 V15.03.06.42_multi, allows attackers to execute arbitrary code via the index parameter.

CVSS v3 8.8 HIGH
CVSS v2.0 5.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 6.5 / Impact : 6.4

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://tenda.com	Not Applicable
https://github.com/Lyc-heng/routers/blob/main/routers/stack3.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tendacn:ac9_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tendacn:ac9:3.0:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:tendacn:ac9_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tendacn:ac9:1.0:*:*:*:*:*:*:*

History

03 Nov 2021, 12:18

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 5.8 v3 : 8.8
CWE		CWE-120
CPE		cpe:2.3:h:tendacn:ac9:1.0:::::::* cpe:2.3:h:tendacn:ac9:3.0:::::::* cpe:2.3:o:tendacn:ac9_firmware::::::::
References	~~(MISC) http://tenda.com -~~	(MISC) http://tenda.com - Not Applicable
References	~~(MISC) https://github.com/Lyc-heng/routers/blob/main/routers/stack3.md -~~	(MISC) https://github.com/Lyc-heng/routers/blob/main/routers/stack3.md - Exploit, Third Party Advisory

29 Oct 2021, 11:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-29 11:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-31627

Mitre link : CVE-2021-31627

CVE.ORG link : CVE-2021-31627

JSON object : View

Products Affected

tendacn

ac9
ac9_firmware

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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