Details of VAR-202003-0262

ID

VAR-202003-0262

CVE

CVE-2020-10883

TITLE

TP-Link AC1750 Vulnerability in improperly assigning permissions to critical resources on routers

Trust: 0.8

sources: JVNDB: JVNDB-2020-003546

DESCRIPTION

This vulnerability allows local attackers to escalate privileges on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the file system. The issue lies in the lack of proper permissions set on the file system. An attacker can leverage this vulnerability to escalate privileges. Was ZDI-CAN-9651. TP-Link AC1750 A router contains a vulnerability in improper permission assignment for critical resources. Zero Day Initiative To this vulnerability ZDI-CAN-9651 Was numbered.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. TP-Link Archer A7 AC1750 is a wireless router of China TP-Link company. The file system in TP-Link Archer A7 using 190726 AC1750 version firmware has a security vulnerability

Trust: 2.88

sources: NVD: CVE-2020-10883 // JVNDB: JVNDB-2020-003546 // ZDI: ZDI-20-335 // CNVD: CNVD-2020-19936 // VULMON: CVE-2020-10883

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-19936

AFFECTED PRODUCTS

vendor:	tp link	model:	ac1750	scope:	eq	version:	190726	Trust: 1.0
vendor:	tp link	model:	ac 1750	scope:	eq	version:	190726	Trust: 0.8
vendor:	tp link	model:	archer a7	scope:	-	version:	-	Trust: 0.7
vendor:	tp link	model:	archer a7 ac1750	scope:	eq	version:	190726	Trust: 0.6

sources: ZDI: ZDI-20-335 // CNVD: CNVD-2020-19936 // JVNDB: JVNDB-2020-003546 // NVD: CVE-2020-10883

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-10883
value:	HIGH
Trust: 1.0
zdi-disclosures@trendmicro.com:	CVE-2020-10883
value:	MEDIUM
Trust: 1.0
NVD:	JVNDB-2020-003546
value:	HIGH
Trust: 0.8
ZDI:	CVE-2020-10883
value:	MEDIUM
Trust: 0.7
CNVD:	CNVD-2020-19936
value:	MEDIUM
Trust: 0.6
CNNVD:	CNNVD-202003-1607
value:	HIGH
Trust: 0.6
VULMON:	CVE-2020-10883
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2020-10883
severity:	MEDIUM
baseScore:	4.6
vectorString:	AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	3.9
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.1
NVD:	JVNDB-2020-003546
severity:	MEDIUM
baseScore:	4.6
vectorString:	AV:L/AC:L/AU:N/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	NONE
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-2020-19936
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:L/AC:L/AU:S/C:P/I:P/A:P
accessVector:	LOCAL
accessComplexity:	LOW
authentication:	SINGLE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	3.1
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2020-10883
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	1.8
impactScore:	5.9
version:	3.1
Trust: 1.0
zdi-disclosures@trendmicro.com:	CVE-2020-10883
baseSeverity:	MEDIUM
baseScore:	5.3
vectorString:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	1.8
impactScore:	3.4
version:	3.0
Trust: 1.0
NVD:	JVNDB-2020-003546
baseSeverity:	HIGH
baseScore:	7.8
vectorString:	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8
ZDI:	CVE-2020-10883
baseSeverity:	MEDIUM
baseScore:	5.3
vectorString:	AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
attackVector:	LOCAL
attackComplexity:	LOW
privilegesRequired:	LOW
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	LOW
exploitabilityScore:	1.8
impactScore:	3.4
version:	3.0
Trust: 0.7

sources: ZDI: ZDI-20-335 // CNVD: CNVD-2020-19936 // VULMON: CVE-2020-10883 // JVNDB: JVNDB-2020-003546 // CNNVD: CNNVD-202003-1607 // NVD: CVE-2020-10883 // NVD: CVE-2020-10883

PROBLEMTYPE DATA

problemtype:

CWE-732

Trust: 1.8

sources: JVNDB: JVNDB-2020-003546 // NVD: CVE-2020-10883

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202003-1607

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202003-1607

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-003546

PATCH

title:	AC1750 Wireless Dual Band Gigabit Router	url:	https://www.tp-link.com/us/home-networking/wifi-router/archer-c7/	Trust: 0.8
title:	Patch for TP Link Archer privilege elevation vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/211371	Trust: 0.6
title:	TP-Link Archer A7 AC1750 Security vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=113013	Trust: 0.6
title:	-	url:	https://github.com/Live-Hack-CVE/CVE-2020-10883	Trust: 0.1

sources: CNVD: CNVD-2020-19936 // VULMON: CVE-2020-10883 // JVNDB: JVNDB-2020-003546 // CNNVD: CNNVD-202003-1607

EXTERNAL IDS

db:	NVD	id:	CVE-2020-10883	Trust: 3.8
db:	ZDI	id:	ZDI-20-335	Trust: 3.2
db:	PACKETSTORM	id:	157255	Trust: 2.5
db:	JVNDB	id:	JVNDB-2020-003546	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-9651	Trust: 0.7
db:	CNVD	id:	CNVD-2020-19936	Trust: 0.6
db:	EXPLOIT-DB	id:	48331	Trust: 0.6
db:	CNNVD	id:	CNNVD-202003-1607	Trust: 0.6
db:	VULMON	id:	CVE-2020-10883	Trust: 0.1

sources: ZDI: ZDI-20-335 // CNVD: CNVD-2020-19936 // VULMON: CVE-2020-10883 // JVNDB: JVNDB-2020-003546 // CNNVD: CNNVD-202003-1607 // NVD: CVE-2020-10883

REFERENCES

url:	https://www.zerodayinitiative.com/advisories/zdi-20-335/	Trust: 2.5
url:	http://packetstormsecurity.com/files/157255/tp-link-archer-a7-c7-unauthenticated-lan-remote-code-execution.html	Trust: 2.5
url:	https://nvd.nist.gov/vuln/detail/cve-2020-10883	Trust: 1.4
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-10883	Trust: 0.8
url:	https://www.exploit-db.com/exploits/48331	Trust: 0.6
url:	https://cwe.mitre.org/data/definitions/732.html	Trust: 0.1
url:	https://github.com/live-hack-cve/cve-2020-10883	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: VULMON: CVE-2020-10883 // JVNDB: JVNDB-2020-003546 // CNNVD: CNNVD-202003-1607 // NVD: CVE-2020-10883

CREDITS

Pedro Ribeiro and Radek Domanski of Team Flashback

Trust: 0.7

sources: ZDI: ZDI-20-335

SOURCES

db:	ZDI	id:	ZDI-20-335
db:	CNVD	id:	CNVD-2020-19936
db:	VULMON	id:	CVE-2020-10883
db:	JVNDB	id:	JVNDB-2020-003546
db:	CNNVD	id:	CNNVD-202003-1607
db:	NVD	id:	CVE-2020-10883

LAST UPDATE DATE

2024-11-23T22:44:39.307000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-20-335	date:	2020-03-25T00:00:00
db:	CNVD	id:	CNVD-2020-19936	date:	2020-03-29T00:00:00
db:	VULMON	id:	CVE-2020-10883	date:	2023-02-03T00:00:00
db:	JVNDB	id:	JVNDB-2020-003546	date:	2020-04-20T00:00:00
db:	CNNVD	id:	CNNVD-202003-1607	date:	2020-04-17T00:00:00
db:	NVD	id:	CVE-2020-10883	date:	2024-11-21T04:56:17.020

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-20-335	date:	2020-03-25T00:00:00
db:	CNVD	id:	CNVD-2020-19936	date:	2020-03-28T00:00:00
db:	VULMON	id:	CVE-2020-10883	date:	2020-03-25T00:00:00
db:	JVNDB	id:	JVNDB-2020-003546	date:	2020-04-20T00:00:00
db:	CNNVD	id:	CNNVD-202003-1607	date:	2020-03-25T00:00:00
db:	NVD	id:	CVE-2020-10883	date:	2020-03-25T21:15:12.010