Details of VAR-202006-0546

ID

VAR-202006-0546

CVE

CVE-2020-14079

TITLE

TRENDnet TEW-827DRU Out-of-bounds write vulnerabilities in devices

Trust: 0.8

sources: JVNDB: JVNDB-2020-006662

DESCRIPTION

TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary. The overflow allows an authenticated user to execute arbitrary code by POSTing to apply.cgi via the action auto_up_fw (or auto_up_lp) with a sufficiently long update_file_name key. TRENDnet TEW-827DRU The device is vulnerable to out-of-bounds writes.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. TRENDnet TEW-827DRU is a wireless router of American Trend Network (TRENDnet) company. Attackers can use this vulnerability to execute arbitrary code

Trust: 2.16

sources: NVD: CVE-2020-14079 // JVNDB: JVNDB-2020-006662 // CNVD: CNVD-2020-33481

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-33481

AFFECTED PRODUCTS

vendor:	trendnet	model:	tew-827dru	scope:	lte	version:	2.06b04	Trust: 1.0
vendor:	trendnet	model:	tew-827dru	scope:	eq	version:	2.06b04	Trust: 0.8
vendor:	trendnet	model:	tew-827dru <=2.06b04	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2020-33481 // JVNDB: JVNDB-2020-006662 // NVD: CVE-2020-14079

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-14079
value:	HIGH
Trust: 1.0
NVD:	JVNDB-2020-006662
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2020-33481
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202006-1009
value:	HIGH
Trust: 0.6

nvd@nist.gov:	CVE-2020-14079
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
NVD:	JVNDB-2020-006662
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:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2020-33481
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-2020-14079
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	JVNDB-2020-006662
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2020-33481 // JVNDB: JVNDB-2020-006662 // CNNVD: CNNVD-202006-1009 // NVD: CVE-2020-14079

PROBLEMTYPE DATA

problemtype:

CWE-787

Trust: 1.8

sources: JVNDB: JVNDB-2020-006662 // NVD: CVE-2020-14079

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202006-1009

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202006-1009

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-006662

PATCH

title:

Top Page

url:

https://www.trendnet.com/home

Trust: 0.8

sources: JVNDB: JVNDB-2020-006662

EXTERNAL IDS

db:	NVD	id:	CVE-2020-14079	Trust: 3.0
db:	JVNDB	id:	JVNDB-2020-006662	Trust: 0.8
db:	CNVD	id:	CNVD-2020-33481	Trust: 0.6
db:	CNNVD	id:	CNNVD-202006-1009	Trust: 0.6

sources: CNVD: CNVD-2020-33481 // JVNDB: JVNDB-2020-006662 // CNNVD: CNNVD-202006-1009 // NVD: CVE-2020-14079

REFERENCES

url:	https://github.com/kuc001/iotfirmware/blob/master/trendnet/tew-827/trendnet-auto_up_fw.pdf	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2020-14079	Trust: 2.0
url:	https://github.com/kuc001/iotfirmware/blob/master/trendnet/tew-827/trendnet-auto_up_lp.pdf	Trust: 1.6
url:	https://github.com/kuc001/iotfirmware/blob/master/trendnet/tew-827/auto_up_fw_overflow.pdf	Trust: 1.6
url:	https://github.com/kuc001/iotfirmware/blob/master/trendnet/tew-827/auto_up_lp_overflow.pdf	Trust: 1.6
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-14079	Trust: 0.8

sources: CNVD: CNVD-2020-33481 // JVNDB: JVNDB-2020-006662 // CNNVD: CNNVD-202006-1009 // NVD: CVE-2020-14079

SOURCES

db:	CNVD	id:	CNVD-2020-33481
db:	JVNDB	id:	JVNDB-2020-006662
db:	CNNVD	id:	CNNVD-202006-1009
db:	NVD	id:	CVE-2020-14079

LAST UPDATE DATE

2024-11-23T23:11:24.949000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2020-33481	date:	2020-06-18T00:00:00
db:	JVNDB	id:	JVNDB-2020-006662	date:	2020-07-14T00:00:00
db:	CNNVD	id:	CNNVD-202006-1009	date:	2020-06-18T00:00:00
db:	NVD	id:	CVE-2020-14079	date:	2024-11-21T05:02:35.853

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2020-33481	date:	2020-06-18T00:00:00
db:	JVNDB	id:	JVNDB-2020-006662	date:	2020-07-14T00:00:00
db:	CNNVD	id:	CNNVD-202006-1009	date:	2020-06-15T00:00:00
db:	NVD	id:	CVE-2020-14079	date:	2020-06-15T04:15:13.610