Details of VAR-202003-0260

ID

VAR-202003-0260

CVE

CVE-2020-10881

TITLE

TP-Link Archer A7 AC1750 Out-of-bounds write vulnerabilities in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2020-003492

DESCRIPTION

This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-9660. TP-Link Archer A7 AC1750 There is an out-of-bounds write vulnerability in the firmware. Zero Day Initiative To this vulnerability ZDI-CAN-9660 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

Trust: 2.79

sources: NVD: CVE-2020-10881 // JVNDB: JVNDB-2020-003492 // ZDI: ZDI-20-333 // CNVD: CNVD-2020-19938

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2020-19938

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:	a7 ac1750	scope:	eq	version:	190726	Trust: 0.6

sources: ZDI: ZDI-20-333 // CNVD: CNVD-2020-19938 // JVNDB: JVNDB-2020-003492 // NVD: CVE-2020-10881

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-10881
value:	CRITICAL
Trust: 1.0
zdi-disclosures@trendmicro.com:	CVE-2020-10881
value:	CRITICAL
Trust: 1.0
NVD:	JVNDB-2020-003492
value:	CRITICAL
Trust: 0.8
ZDI:	CVE-2020-10881
value:	CRITICAL
Trust: 0.7
CNVD:	CNVD-2020-19938
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202003-1605
value:	CRITICAL
Trust: 0.6

nvd@nist.gov:	CVE-2020-10881
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.0
NVD:	JVNDB-2020-003492
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.8
CNVD:	CNVD-2020-19938
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2020-10881
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
zdi-disclosures@trendmicro.com:	CVE-2020-10881
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:	3.9
impactScore:	5.9
version:	3.0
Trust: 1.0
NVD:	JVNDB-2020-003492
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
ZDI:	CVE-2020-10881
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	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:	3.0
Trust: 0.7

sources: ZDI: ZDI-20-333 // CNVD: CNVD-2020-19938 // JVNDB: JVNDB-2020-003492 // CNNVD: CNNVD-202003-1605 // NVD: CVE-2020-10881 // NVD: CVE-2020-10881

PROBLEMTYPE DATA

problemtype:	CWE-787	Trust: 1.8
problemtype:	CWE-121	Trust: 1.0

sources: JVNDB: JVNDB-2020-003492 // NVD: CVE-2020-10881

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202003-1605

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202003-1605

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-003492

PATCH

title:	Top Page	url:	https://www.tp-link.com/br/	Trust: 0.8
title:	Patch for TP-Link Archer A7 AC1750 buffer overflow vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/211363	Trust: 0.6
title:	TP-Link Archer A7 AC1750 Buffer error vulnerability fix	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=113011	Trust: 0.6

sources: CNVD: CNVD-2020-19938 // JVNDB: JVNDB-2020-003492 // CNNVD: CNNVD-202003-1605

EXTERNAL IDS

db:	NVD	id:	CVE-2020-10881	Trust: 3.7
db:	ZDI	id:	ZDI-20-333	Trust: 3.1
db:	JVNDB	id:	JVNDB-2020-003492	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-9660	Trust: 0.7
db:	CNVD	id:	CNVD-2020-19938	Trust: 0.6
db:	CNNVD	id:	CNNVD-202003-1605	Trust: 0.6

sources: ZDI: ZDI-20-333 // CNVD: CNVD-2020-19938 // JVNDB: JVNDB-2020-003492 // CNNVD: CNNVD-202003-1605 // NVD: CVE-2020-10881

REFERENCES

url:	https://www.zerodayinitiative.com/advisories/zdi-20-333/	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2020-10881	Trust: 1.4
url:	https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-10881	Trust: 0.8

sources: JVNDB: JVNDB-2020-003492 // CNNVD: CNNVD-202003-1605 // NVD: CVE-2020-10881

CREDITS

Pedro Ribeiro and Radek Domanski of Team Flashback

Trust: 0.7

sources: ZDI: ZDI-20-333

SOURCES

db:	ZDI	id:	ZDI-20-333
db:	CNVD	id:	CNVD-2020-19938
db:	JVNDB	id:	JVNDB-2020-003492
db:	CNNVD	id:	CNNVD-202003-1605
db:	NVD	id:	CVE-2020-10881

LAST UPDATE DATE

2024-11-23T22:51:28.963000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-20-333	date:	2020-03-25T00:00:00
db:	CNVD	id:	CNVD-2020-19938	date:	2020-03-29T00:00:00
db:	JVNDB	id:	JVNDB-2020-003492	date:	2020-04-17T00:00:00
db:	CNNVD	id:	CNNVD-202003-1605	date:	2020-04-01T00:00:00
db:	NVD	id:	CVE-2020-10881	date:	2024-11-21T04:56:16.767

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-20-333	date:	2020-03-25T00:00:00
db:	CNVD	id:	CNVD-2020-19938	date:	2020-03-28T00:00:00
db:	JVNDB	id:	JVNDB-2020-003492	date:	2020-04-17T00:00:00
db:	CNNVD	id:	CNNVD-202003-1605	date:	2020-03-25T00:00:00
db:	NVD	id:	CVE-2020-10881	date:	2020-03-25T21:15:11.857