Details of VAR-202202-1149

ID

VAR-202202-1149

CVE

CVE-2020-26728

TITLE

Tenda AC9 Vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2022-005711

DESCRIPTION

A vulnerability was discovered in Tenda AC9 v3.0 V15.03.06.42_multi and Tenda AC9 V1.0 V15.03.05.19(6318)_CN which allows for remote code execution via shell metacharacters in the guestuser field to the __fastcall function with a POST request. Tenda AC9 Exists in unspecified vulnerabilities.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The Tenda AC9 is a wireless router from the Chinese company Tenda. No detailed vulnerability details are currently provided

Trust: 2.16

sources: NVD: CVE-2020-26728 // JVNDB: JVNDB-2022-005711 // CNVD: CNVD-2022-21234

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2022-21234

AFFECTED PRODUCTS

vendor:	tenda	model:	ac9	scope:	eq	version:	15.03.06.42_multi	Trust: 1.0
vendor:	tenda	model:	ac9	scope:	eq	version:	15.03.05.19\(6318\)_cn	Trust: 1.0
vendor:	tenda	model:	ac9	scope:	eq	version:	-	Trust: 0.8
vendor:	tenda	model:	ac9	scope:	eq	version:	ac9 firmware 1.0 v15.03.05.19(6318)_cn	Trust: 0.8
vendor:	tenda	model:	ac9	scope:	eq	version:	ac9 firmware 3.0 v15.03.06.42_multi	Trust: 0.8
vendor:	tenda	model:	ac9 15.03.06.42 multi	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2022-21234 // JVNDB: JVNDB-2022-005711 // NVD: CVE-2020-26728

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-26728
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2020-26728
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2022-21234
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202202-1089
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2020-26728
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2022-21234
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2020-26728
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2020-26728
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2022-21234 // JVNDB: JVNDB-2022-005711 // CNNVD: CNNVD-202202-1089 // NVD: CVE-2020-26728

PROBLEMTYPE DATA

problemtype:	NVD-CWE-noinfo	Trust: 1.0
problemtype:	Lack of information (CWE-noinfo) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2022-005711 // NVD: CVE-2020-26728

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202202-1089

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202202-1089

PATCH

title:

Top Page

url:

https://www.tendacn.com/default.html

Trust: 0.8

sources: JVNDB: JVNDB-2022-005711

EXTERNAL IDS

db:	NVD	id:	CVE-2020-26728	Trust: 3.8
db:	JVNDB	id:	JVNDB-2022-005711	Trust: 0.8
db:	CNVD	id:	CNVD-2022-21234	Trust: 0.6
db:	CNNVD	id:	CNNVD-202202-1089	Trust: 0.6

sources: CNVD: CNVD-2022-21234 // JVNDB: JVNDB-2022-005711 // CNNVD: CNNVD-202202-1089 // NVD: CVE-2020-26728

REFERENCES

url:	https://github.com/lyc-heng/routers/blob/a80b30bccfc9b76f3a4868ff28ad5ce2e0fca180/routers/rce1.md	Trust: 2.4
url:	https://github.com/lyc-heng/router/blob/main/tenda/rce1.md	Trust: 2.2
url:	https://github.com/lyc-heng/routers/blob/main/routers/rce1.md	Trust: 1.6
url:	https://nvd.nist.gov/vuln/detail/cve-2020-26728	Trust: 1.4

sources: CNVD: CNVD-2022-21234 // JVNDB: JVNDB-2022-005711 // CNNVD: CNNVD-202202-1089 // NVD: CVE-2020-26728

SOURCES

db:	CNVD	id:	CNVD-2022-21234
db:	JVNDB	id:	JVNDB-2022-005711
db:	CNNVD	id:	CNNVD-202202-1089
db:	NVD	id:	CVE-2020-26728

LAST UPDATE DATE

2024-08-14T14:37:40.036000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2022-21234	date:	2022-03-21T00:00:00
db:	JVNDB	id:	JVNDB-2022-005711	date:	2023-06-09T04:31:00
db:	CNNVD	id:	CNNVD-202202-1089	date:	2022-03-10T00:00:00
db:	NVD	id:	CVE-2020-26728	date:	2022-02-22T18:03:21.923

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2022-21234	date:	2022-03-21T00:00:00
db:	JVNDB	id:	JVNDB-2022-005711	date:	2023-06-09T00:00:00
db:	CNNVD	id:	CNNVD-202202-1089	date:	2022-02-11T00:00:00
db:	NVD	id:	CVE-2020-26728	date:	2022-02-11T19:15:08.027