Details of VAR-201904-0689

ID

VAR-201904-0689

CVE

CVE-2018-14557

TITLE

plural Tenda Buffer error vulnerability in product firmware

Trust: 0.8

sources: JVNDB: JVNDB-2018-015358

DESCRIPTION

An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7), AC9 devices with firmware through V15.03.05.19(6318)_CN(AC9), and AC10 devices with firmware through V15.03.06.23_CN(AC10). A buffer overflow vulnerability exists in the router's web server (httpd). When processing the page parameters for a post request, the value is directly written with sprintf to a local variable placed on the stack, which overrides the return address of the function, a causing buffer overflow. Tenda AC7 , AC9 , AC10 The firmware contains a buffer error vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. Tenda AC7 and others are all wireless routers from China's Tenda. This vulnerability originates from a network system or product that incorrectly validates data boundaries when performing operations on memory, causing incorrect read and write operations to be associated with other memory locations

Trust: 2.25

sources: NVD: CVE-2018-14557 // JVNDB: JVNDB-2018-015358 // CNVD: CNVD-2019-13772 // VULHUB: VHN-124728

IOT TAXONOMY

category:

['IoT']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2019-13772

AFFECTED PRODUCTS

vendor:	tenda	model:	ac10	scope:	lte	version:	15.03.06.23_cn	Trust: 1.8
vendor:	tenda	model:	ac7	scope:	lte	version:	15.03.06.44_cn	Trust: 1.8
vendor:	tenda	model:	ac9	scope:	lte	version:	15.03.05.19\(6318\)_cn	Trust: 1.0
vendor:	tenda	model:	ac9	scope:	lte	version:	15.03.05.19(6318)_cn	Trust: 0.8
vendor:	tenda	model:	ac7 v15.03.06.44 cn	scope:	-	version:	-	Trust: 0.6
vendor:	tenda	model:	ac10 <=v15.03.06.23 cn	scope:	-	version:	-	Trust: 0.6
vendor:	tenda	model:	ac9 <=v15.03.05.19 cn	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2019-13772 // JVNDB: JVNDB-2018-015358 // NVD: CVE-2018-14557

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2018-14557
value:	HIGH
Trust: 1.0
NVD:	CVE-2018-14557
value:	HIGH
Trust: 0.8
CNVD:	CNVD-2019-13772
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-201904-1169
value:	HIGH
Trust: 0.6
VULHUB:	VHN-124728
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2018-14557
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8
CNVD:	CNVD-2019-13772
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6
VULHUB:	VHN-124728
severity:	HIGH
baseScore:	7.8
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	6.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.1

nvd@nist.gov:	CVE-2018-14557
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.0
Trust: 1.8

sources: CNVD: CNVD-2019-13772 // VULHUB: VHN-124728 // JVNDB: JVNDB-2018-015358 // CNNVD: CNNVD-201904-1169 // NVD: CVE-2018-14557

PROBLEMTYPE DATA

problemtype:

CWE-119

Trust: 1.9

sources: VULHUB: VHN-124728 // JVNDB: JVNDB-2018-015358 // NVD: CVE-2018-14557

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-201904-1169

CONFIGURATIONS

sources: JVNDB: JVNDB-2018-015358

PATCH

title:

Top Page

url:

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

Trust: 0.8

sources: JVNDB: JVNDB-2018-015358

EXTERNAL IDS

db:	NVD	id:	CVE-2018-14557	Trust: 3.1
db:	JVNDB	id:	JVNDB-2018-015358	Trust: 0.8
db:	CNNVD	id:	CNNVD-201904-1169	Trust: 0.7
db:	CNVD	id:	CNVD-2019-13772	Trust: 0.6
db:	VULHUB	id:	VHN-124728	Trust: 0.1

sources: CNVD: CNVD-2019-13772 // VULHUB: VHN-124728 // JVNDB: JVNDB-2018-015358 // CNNVD: CNNVD-201904-1169 // NVD: CVE-2018-14557

REFERENCES

url:	https://github.com/zsjevilhex/iot/blob/master/route/tenda/tenda-03/tenda.md	Trust: 3.1
url:	https://nvd.nist.gov/vuln/detail/cve-2018-14557	Trust: 2.0
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2018-14557	Trust: 0.8

sources: CNVD: CNVD-2019-13772 // VULHUB: VHN-124728 // JVNDB: JVNDB-2018-015358 // CNNVD: CNNVD-201904-1169 // NVD: CVE-2018-14557

SOURCES

db:	CNVD	id:	CNVD-2019-13772
db:	VULHUB	id:	VHN-124728
db:	JVNDB	id:	JVNDB-2018-015358
db:	CNNVD	id:	CNNVD-201904-1169
db:	NVD	id:	CVE-2018-14557

LAST UPDATE DATE

2024-11-23T21:52:20.456000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2019-13772	date:	2019-05-10T00:00:00
db:	VULHUB	id:	VHN-124728	date:	2019-05-02T00:00:00
db:	JVNDB	id:	JVNDB-2018-015358	date:	2019-05-29T00:00:00
db:	CNNVD	id:	CNNVD-201904-1169	date:	2019-04-26T00:00:00
db:	NVD	id:	CVE-2018-14557	date:	2024-11-21T03:49:18.313

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2019-13772	date:	2019-05-10T00:00:00
db:	VULHUB	id:	VHN-124728	date:	2019-04-25T00:00:00
db:	JVNDB	id:	JVNDB-2018-015358	date:	2019-05-29T00:00:00
db:	CNNVD	id:	CNNVD-201904-1169	date:	2019-04-25T00:00:00
db:	NVD	id:	CVE-2018-14557	date:	2019-04-25T20:29:00.240