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ID

VAR-202401-0479


CVE

CVE-2023-7222


TITLE

TOTOLINK  of  x2000r  Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2024-001172

DESCRIPTION

A vulnerability was found in Totolink X2000R 1.0.0-B20221212.1452. It has been declared as critical. This vulnerability affects the function formTmultiAP of the file /bin/boa of the component HTTP POST Request Handler. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249856. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. TOTOLINK of x2000r An out-of-bounds write vulnerability exists in firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK X2000R is a wireless router from China's TOTOLINK Electronics. Totolink X2000R has a buffer overflow vulnerability, which is caused by the function formTmultiAP in the file /bin/boa failing to correctly verify the length of the input data. Attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2023-7222 // JVNDB: JVNDB-2024-001172 // CNVD: CNVD-2025-15344

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-15344

AFFECTED PRODUCTS

vendor:totolinkmodel:x2000rscope:eqversion:1.0.0-b20221212.1452

Trust: 1.0

vendor:totolinkmodel:x2000rscope:eqversion:x2000r firmware 1.0.0-b20221212.1452

Trust: 0.8

vendor:totolinkmodel:x2000rscope: - version: -

Trust: 0.8

vendor:totolinkmodel:x2000rscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:x2000r 1.0.0-b20221212.1452scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-15344 // JVNDB: JVNDB-2024-001172 // NVD: CVE-2023-7222

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2023-7222
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2023-7222
value: CRITICAL

Trust: 1.0

NVD: CVE-2023-7222
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2025-15344
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2023-7222
severity: HIGH
baseScore: 8.3
vectorString: AV:N/AC:L/AU:M/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: MULTIPLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.4
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

CNVD: CNVD-2025-15344
severity: HIGH
baseScore: 8.3
vectorString: AV:N/AC:L/AU:M/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: MULTIPLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 6.4
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

cna@vuldb.com: CVE-2023-7222
baseSeverity: HIGH
baseScore: 7.2
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.2
impactScore: 5.9
version: 3.1

Trust: 1.0

nvd@nist.gov: CVE-2023-7222
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

NVD: CVE-2023-7222
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

sources: CNVD: CNVD-2025-15344 // JVNDB: JVNDB-2024-001172 // NVD: CVE-2023-7222 // NVD: CVE-2023-7222

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.0

problemtype:CWE-120

Trust: 1.0

problemtype:Out-of-bounds writing (CWE-787) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2024-001172 // NVD: CVE-2023-7222

EXTERNAL IDS

db:NVDid:CVE-2023-7222

Trust: 3.2

db:VULDBid:249856

Trust: 1.6

db:JVNDBid:JVNDB-2024-001172

Trust: 0.8

db:CNVDid:CNVD-2025-15344

Trust: 0.6

sources: CNVD: CNVD-2025-15344 // JVNDB: JVNDB-2024-001172 // NVD: CVE-2023-7222

REFERENCES

url:https://github.com/jylsec/vuldb/blob/main/totolink/x2000r/formtmultiap/readme.md

Trust: 1.8

url:https://vuldb.com/?id.249856

Trust: 1.6

url:https://vuldb.com/?ctiid.249856

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2023-7222

Trust: 0.8

sources: CNVD: CNVD-2025-15344 // JVNDB: JVNDB-2024-001172 // NVD: CVE-2023-7222

SOURCES

db:CNVDid:CNVD-2025-15344
db:JVNDBid:JVNDB-2024-001172
db:NVDid:CVE-2023-7222

LAST UPDATE DATE

2025-07-10T22:47:09.687000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-15344date:2025-07-09T00:00:00
db:JVNDBid:JVNDB-2024-001172date:2024-02-01T01:54:00
db:NVDid:CVE-2023-7222date:2024-05-17T02:34:19.373

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-15344date:2025-07-09T00:00:00
db:JVNDBid:JVNDB-2024-001172date:2024-02-01T00:00:00
db:NVDid:CVE-2023-7222date:2024-01-09T16:15:43.693