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ID

VAR-202401-1251


CVE

CVE-2024-0997


TITLE

TOTOLINK  of  N200RE  Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2024-002070

DESCRIPTION

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-252266 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way. TOTOLINK of N200RE A stack-based buffer overflow vulnerability exists in the firmware.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The TOTOLINK N200RE is a SOHO wireless router that utilizes 11N wireless technology, achieving a maximum wireless transmission rate of 300Mbps. It supports MIMO architecture and ATCT automatic idle channel detection technology, effectively improving wireless performance and stability. No detailed vulnerability details are currently available

Trust: 2.16

sources: NVD: CVE-2024-0997 // JVNDB: JVNDB-2024-002070 // CNVD: CNVD-2025-18927

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-18927

AFFECTED PRODUCTS

vendor:totolinkmodel:n200rescope:eqversion:9.3.5u.6139_b20201216

Trust: 1.0

vendor:totolinkmodel:n200rescope: - version: -

Trust: 0.8

vendor:totolinkmodel:n200rescope:eqversion:n200re firmware 9.3.5u.6139 b20201216

Trust: 0.8

vendor:totolinkmodel:n200rescope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:n200re 9.3.5u.6139 b20201216scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-18927 // JVNDB: JVNDB-2024-002070 // NVD: CVE-2024-0997

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2024-0997
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2024-0997
value: HIGH

Trust: 1.0

NVD: CVE-2024-0997
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-18927
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2024-0997
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-2025-18927
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-2024-0997
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-2024-0997
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: 1.0

NVD: CVE-2024-0997
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-2025-18927 // JVNDB: JVNDB-2024-002070 // NVD: CVE-2024-0997 // NVD: CVE-2024-0997

PROBLEMTYPE DATA

problemtype:CWE-121

Trust: 1.0

problemtype:Stack-based buffer overflow (CWE-121) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2024-002070 // NVD: CVE-2024-0997

PATCH

title:Patch for TOTOLINK N200RE Buffer Overflow Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/721151

Trust: 0.6

sources: CNVD: CNVD-2025-18927

EXTERNAL IDS

db:NVDid:CVE-2024-0997

Trust: 3.2

db:VULDBid:252266

Trust: 1.8

db:JVNDBid:JVNDB-2024-002070

Trust: 0.8

db:CNVDid:CNVD-2025-18927

Trust: 0.6

sources: CNVD: CNVD-2025-18927 // JVNDB: JVNDB-2024-002070 // NVD: CVE-2024-0997

REFERENCES

url:https://jylsec.notion.site/totolink-n200re-has-stack-buffer-overflow-vulnerability-in-setopmodecfg-9faac02b13d84bd3b7fe84aab68c7add?pvs=4

Trust: 1.8

url:https://vuldb.com/?ctiid.252266

Trust: 1.8

url:https://vuldb.com/?id.252266

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2024-0997

Trust: 1.4

sources: CNVD: CNVD-2025-18927 // JVNDB: JVNDB-2024-002070 // NVD: CVE-2024-0997

SOURCES

db:CNVDid:CNVD-2025-18927
db:JVNDBid:JVNDB-2024-002070
db:NVDid:CVE-2024-0997

LAST UPDATE DATE

2025-08-21T23:42:00.329000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-18927date:2025-08-20T00:00:00
db:JVNDBid:JVNDB-2024-002070date:2024-02-07T06:12:00
db:NVDid:CVE-2024-0997date:2024-05-17T02:35:08.383

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-18927date:2025-08-20T00:00:00
db:JVNDBid:JVNDB-2024-002070date:2024-02-07T00:00:00
db:NVDid:CVE-2024-0997date:2024-01-29T13:15:08.127