Details of VAR-202110-1423

ID

VAR-202110-1423

CVE

CVE-2020-22079

TITLE

Tenda AC-10U AC1200 Out-of-Bounds Write Vulnerability in Router

Trust: 0.8

sources: JVNDB: JVNDB-2021-014421

DESCRIPTION

Stack-based buffer overflow in Tenda AC-10U AC1200 Router US_AC10UV1.0RTL_V15.03.06.48_multi_TDE01 allows remote attackers to execute arbitrary code via the timeZone parameter to goform/SetSysTimeCfg. Tenda AC-10U AC1200 Routers contain an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Tenda AC-10U is a wireless router of China Tenda (Tenda) company. The Tenda AC-10U AC1200 router has a buffer overflow vulnerability. The vulnerability exists due to boundary errors when processing untrusted input

Trust: 2.16

sources: NVD: CVE-2020-22079 // JVNDB: JVNDB-2021-014421 // CNVD: CNVD-2021-84224

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-84224

AFFECTED PRODUCTS

vendor:	tendacn	model:	ac9	scope:	eq	version:	15.03.06.42_multi	Trust: 1.0
vendor:	tendacn	model:	ac9	scope:	eq	version:	15.03.05.19\(6318\)	Trust: 1.0
vendor:	tendacn	model:	ac10u	scope:	eq	version:	15.03.06.48_multi_tde01	Trust: 1.0
vendor:	tenda	model:	ac9	scope:	-	version:	-	Trust: 0.8
vendor:	tenda	model:	ac10u	scope:	-	version:	-	Trust: 0.8
vendor:	tenda	model:	ac-10u us ac10uv1.0rtl v15.03.06.48 multi tde01	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2021-84224 // JVNDB: JVNDB-2021-014421 // NVD: CVE-2020-22079

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-22079
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2020-22079
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2021-84224
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202110-2207
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2020-22079
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-2021-84224
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-2020-22079
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-2020-22079
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-2021-84224 // JVNDB: JVNDB-2021-014421 // CNNVD: CNNVD-202110-2207 // NVD: CVE-2020-22079

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.0
problemtype:	Out-of-bounds writing (CWE-787) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-014421 // NVD: CVE-2020-22079

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202110-2207

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202110-2207

PATCH

title:

Top Page

url:

https://www.tenda.com.cn/default.html

Trust: 0.8

sources: JVNDB: JVNDB-2021-014421

EXTERNAL IDS

db:	NVD	id:	CVE-2020-22079	Trust: 3.8
db:	JVNDB	id:	JVNDB-2021-014421	Trust: 0.8
db:	CNVD	id:	CNVD-2021-84224	Trust: 0.6
db:	CNNVD	id:	CNNVD-202110-2207	Trust: 0.6

sources: CNVD: CNVD-2021-84224 // JVNDB: JVNDB-2021-014421 // CNNVD: CNNVD-202110-2207 // NVD: CVE-2020-22079

REFERENCES

url:	https://github.com/lyc-heng/routers/blob/main/routers/stack1.md	Trust: 2.4
url:	https://github.com/1sd3d/tendown/tree/master/pocs/auth/bof11	Trust: 2.2
url:	https://cwe.mitre.org/data/definitions/121.html	Trust: 1.6
url:	https://nvd.nist.gov/vuln/detail/cve-2020-22079	Trust: 0.8

sources: CNVD: CNVD-2021-84224 // JVNDB: JVNDB-2021-014421 // CNNVD: CNNVD-202110-2207 // NVD: CVE-2020-22079

SOURCES

db:	CNVD	id:	CNVD-2021-84224
db:	JVNDB	id:	JVNDB-2021-014421
db:	CNNVD	id:	CNNVD-202110-2207
db:	NVD	id:	CVE-2020-22079

LAST UPDATE DATE

2024-08-14T14:44:14.816000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-84224	date:	2021-11-05T00:00:00
db:	JVNDB	id:	JVNDB-2021-014421	date:	2022-10-18T06:58:00
db:	CNNVD	id:	CNNVD-202110-2207	date:	2022-07-11T00:00:00
db:	NVD	id:	CVE-2020-22079	date:	2022-10-26T13:55:15.213

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-84224	date:	2021-11-05T00:00:00
db:	JVNDB	id:	JVNDB-2021-014421	date:	2022-10-18T00:00:00
db:	CNNVD	id:	CNNVD-202110-2207	date:	2021-10-29T00:00:00
db:	NVD	id:	CVE-2020-22079	date:	2021-10-29T11:15:08.310