Details of VAR-202109-0160

ID

VAR-202109-0160

CVE

CVE-2020-20746

TITLE

Tenda AC9 Buffer Overflow Vulnerability (CNVD-2022-26248)

Trust: 0.6

sources: CNVD: CNVD-2022-26248

DESCRIPTION

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. Tenda AC9 is a router device

Trust: 1.53

sources: NVD: CVE-2020-20746 // CNVD: CNVD-2022-26248 // VULMON: CVE-2020-20746

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2022-26248

AFFECTED PRODUCTS

vendor:	tendacn	model:	ac9	scope:	eq	version:	15.03.06.60_en	Trust: 1.0
vendor:	tenda	model:	ac9 15.03.06.60 en	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2022-26248 // NVD: CVE-2020-20746

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-20746
value:	HIGH
Trust: 1.0
CNVD:	CNVD-2022-26248
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202109-1995
value:	HIGH
Trust: 0.6

nvd@nist.gov:	CVE-2020-20746
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
CNVD:	CNVD-2022-26248
severity:	MEDIUM
baseScore:	6.5
vectorString:	AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	8.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2020-20746
baseSeverity:	HIGH
baseScore:	7.2
vectorString:	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	HIGH
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.2
impactScore:	5.9
version:	3.1
Trust: 1.0

sources: CNVD: CNVD-2022-26248 // CNNVD: CNNVD-202109-1995 // NVD: CVE-2020-20746

PROBLEMTYPE DATA

problemtype:

CWE-787

Trust: 1.0

sources: NVD: CVE-2020-20746

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202109-1995

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202109-1995

EXTERNAL IDS

db:	NVD	id:	CVE-2020-20746	Trust: 2.3
db:	CNVD	id:	CNVD-2022-26248	Trust: 0.6
db:	CNNVD	id:	CNNVD-202109-1995	Trust: 0.6
db:	VULMON	id:	CVE-2020-20746	Trust: 0.1

sources: CNVD: CNVD-2022-26248 // VULMON: CVE-2020-20746 // CNNVD: CNNVD-202109-1995 // NVD: CVE-2020-20746

REFERENCES

url:	https://github.com/grapefruitvul/vulinfo/blob/master/tenda/vul1.md	Trust: 2.3
url:	https://cwe.mitre.org/data/definitions/121.html	Trust: 1.6
url:	https://nvd.nist.gov/vuln/detail/cve-2020-20746	Trust: 0.6
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2022-26248 // VULMON: CVE-2020-20746 // CNNVD: CNNVD-202109-1995 // NVD: CVE-2020-20746

SOURCES

db:	CNVD	id:	CNVD-2022-26248
db:	VULMON	id:	CVE-2020-20746
db:	CNNVD	id:	CNNVD-202109-1995
db:	NVD	id:	CVE-2020-20746

LAST UPDATE DATE

2024-08-14T15:22:10.317000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2022-26248	date:	2022-04-06T00:00:00
db:	VULMON	id:	CVE-2020-20746	date:	2021-10-01T00:00:00
db:	CNNVD	id:	CNNVD-202109-1995	date:	2022-07-11T00:00:00
db:	NVD	id:	CVE-2020-20746	date:	2022-09-14T20:33:58.687

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2022-26248	date:	2022-04-06T00:00:00
db:	VULMON	id:	CVE-2020-20746	date:	2021-09-30T00:00:00
db:	CNNVD	id:	CNNVD-202109-1995	date:	2021-09-30T00:00:00
db:	NVD	id:	CVE-2020-20746	date:	2021-09-30T21:15:07.960