Details of VAR-202309-0434

ID

VAR-202309-0434

CVE

CVE-2023-40942

TITLE

Tenda AC9 buffer overflow vulnerability (CNVD-2023-70072)

Trust: 0.6

sources: CNVD: CNVD-2023-70072

DESCRIPTION

Tenda AC9 V3.0BR_V15.03.06.42_multi_TD01 was discovered stack overflow via parameter 'firewall_value' at url /goform/SetFirewallCfg. Tenda AC9 is a wireless router from China's Tenda company. This vulnerability is caused by the parameter "firewall_value" at the URL /goform/SetFirewallCfg failing to correctly verify the length of the input data. A remote attacker can use this vulnerability to attack the system Execute arbitrary code or cause a denial of service attack

Trust: 1.44

sources: NVD: CVE-2023-40942 // CNVD: CNVD-2023-70072

IOT TAXONOMY

category:

['Network device']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2023-70072

AFFECTED PRODUCTS

vendor:	tendacn	model:	ac9	scope:	eq	version:	15.03.06.42_multi_td0	Trust: 1.0
vendor:	tenda	model:	ac9 15.03.06.42 multi td0	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2023-70072 // NVD: CVE-2023-40942

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD:	CVE-2023-40942
value:	CRITICAL
Trust: 1.0
CNVD:	CNVD-2023-70072
value:	HIGH
Trust: 0.6

CNVD:	CNVD-2023-70072
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:
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

sources: CNVD: CNVD-2023-70072 // NVD: CVE-2023-40942

PROBLEMTYPE DATA

problemtype:

CWE-787

Trust: 1.0

sources: NVD: CVE-2023-40942

EXTERNAL IDS

db:	NVD	id:	CVE-2023-40942	Trust: 1.7
db:	CNVD	id:	CNVD-2023-70072	Trust: 0.6
db:	VULMON	id:	CVE-2023-40942	Trust: 0.1

sources: CNVD: CNVD-2023-70072 // VULMON: CVE-2023-40942 // NVD: CVE-2023-40942

REFERENCES

url:	https://github.com/gleamingeyes/vul/blob/main/tenda_ac9/setfirewallcfg.md	Trust: 1.1
url:	https://nvd.nist.gov/vuln/detail/cve-2023-40942	Trust: 0.6
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2023-70072 // VULMON: CVE-2023-40942 // NVD: CVE-2023-40942

SOURCES

db:	CNVD	id:	CNVD-2023-70072
db:	VULMON	id:	CVE-2023-40942
db:	NVD	id:	CVE-2023-40942

LAST UPDATE DATE

2023-12-18T13:50:20.304000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2023-70072	date:	2023-09-17T00:00:00
db:	VULMON	id:	CVE-2023-40942	date:	2023-09-07T00:00:00
db:	NVD	id:	CVE-2023-40942	date:	2023-09-12T19:55:13.077

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2023-70072	date:	2023-09-14T00:00:00
db:	VULMON	id:	CVE-2023-40942	date:	2023-09-07T00:00:00
db:	NVD	id:	CVE-2023-40942	date:	2023-09-07T15:15:07.767