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ID

VAR-202408-0044


CVE

CVE-2024-7334


TITLE

TOTOLINK  of  ex1200l  Classic buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2024-005388

DESCRIPTION

A vulnerability was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. It has been rated as critical. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-273257 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. TOTOLINK of ex1200l Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK EX1200L is a dual-band wireless signal amplifier launched by China Jiong Electronics, mainly used to expand Wi-Fi coverage. No detailed vulnerability details are currently provided

Trust: 2.16

sources: NVD: CVE-2024-7334 // JVNDB: JVNDB-2024-005388 // CNVD: CNVD-2025-15237

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-15237

AFFECTED PRODUCTS

vendor:totolinkmodel:ex1200lscope:eqversion:9.3.5u.6146_b20201023

Trust: 1.0

vendor:totolinkmodel:ex1200lscope: - version: -

Trust: 0.8

vendor:totolinkmodel:ex1200lscope:eqversion:ex1200l firmware 9.3.5u.6146 b20201023

Trust: 0.8

vendor:totolinkmodel:ex1200lscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:ex1200l 9.3.5u.6146 b20201023scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-15237 // JVNDB: JVNDB-2024-005388 // NVD: CVE-2024-7334

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2024-7334
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2024-7334
value: HIGH

Trust: 1.0

OTHER: JVNDB-2024-005388
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-15237
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2024-7334
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2024-005388
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
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-2025-15237
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

cna@vuldb.com: CVE-2024-7334
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 2.0

NVD: JVNDB-2024-005388
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-15237 // JVNDB: JVNDB-2024-005388 // NVD: CVE-2024-7334 // NVD: CVE-2024-7334

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

problemtype:Classic buffer overflow (CWE-120) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2024-005388 // NVD: CVE-2024-7334

PATCH

title:Patch for TOTOLINK EX1200L Buffer Overflow Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/705761

Trust: 0.6

sources: CNVD: CNVD-2025-15237

EXTERNAL IDS

db:NVDid:CVE-2024-7334

Trust: 3.2

db:VULDBid:273257

Trust: 1.0

db:JVNDBid:JVNDB-2024-005388

Trust: 0.8

db:CNVDid:CNVD-2025-15237

Trust: 0.6

sources: CNVD: CNVD-2025-15237 // JVNDB: JVNDB-2024-005388 // NVD: CVE-2024-7334

REFERENCES

url:https://github.com/ruan-uer/create/blob/main/iot-vulnerable/totolink/ex1200/uploadcustommodule.md

Trust: 1.8

url:https://vuldb.com/?submit.379286

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2024-7334

Trust: 1.4

url:https://vuldb.com/?ctiid.273257

Trust: 1.0

url:https://vuldb.com/?id.273257

Trust: 1.0

sources: CNVD: CNVD-2025-15237 // JVNDB: JVNDB-2024-005388 // NVD: CVE-2024-7334

SOURCES

db:CNVDid:CNVD-2025-15237
db:JVNDBid:JVNDB-2024-005388
db:NVDid:CVE-2024-7334

LAST UPDATE DATE

2025-07-09T23:21:00.412000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-15237date:2025-07-08T00:00:00
db:JVNDBid:JVNDB-2024-005388date:2024-08-15T02:45:00
db:NVDid:CVE-2024-7334date:2024-08-09T13:57:55.233

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-15237date:2025-07-07T00:00:00
db:JVNDBid:JVNDB-2024-005388date:2024-08-15T00:00:00
db:NVDid:CVE-2024-7334date:2024-08-01T02:15:02.617