CVE-2020-20746

A stack-based buffer overflow in the httpd server on Tenda AC9 V15.03.06.60_EN allows remote attackers to execute arbitrary code or cause a denial of service (DoS) via a crafted POST request to /goform/SetStaticRouteCfg.

CVSS v3 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://cwe.mitre.org/data/definitions/121.html	Technical Description
https://github.com/grapefruitvul/vulinfo/blob/master/tenda/vul1.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tendacn:ac9_firmware:15.03.06.60_en:*:*:*:*:*:*:*

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

History

14 Sep 2022, 20:33

Type	Values Removed	Values Added
References	~~(MISC) https://cwe.mitre.org/data/definitions/121.html -~~	(MISC) https://cwe.mitre.org/data/definitions/121.html - Technical Description

10 Jul 2022, 21:15

Type	Values Removed	Values Added
References		(MISC) https://cwe.mitre.org/data/definitions/121.html -

07 Oct 2021, 21:59

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.5 v3 : 7.2
CPE		cpe:2.3:h:tendacn:ac9:3.0:::::::* cpe:2.3:o:tendacn:ac9_firmware:15.03.06.60_en:::::::*
CWE		CWE-787
References	~~(MISC) https://github.com/grapefruitvul/vulinfo/blob/master/tenda/vul1.md -~~	(MISC) https://github.com/grapefruitvul/vulinfo/blob/master/tenda/vul1.md - Exploit, Third Party Advisory

30 Sep 2021, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-09-30 21:15

Updated : 2024-02-04 22:08

NVD link : CVE-2020-20746

Mitre link : CVE-2020-20746

CVE.ORG link : CVE-2020-20746

JSON object : View

Products Affected

tendacn

ac9
ac9_firmware

CWE

CWE-787

Out-of-bounds Write

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