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ID

VAR-202506-0294


CVE

CVE-2025-5600


TITLE

TOTOLINK  of  ex1200t  Out-of-bounds write vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-006625

DESCRIPTION

A vulnerability, which was classified as critical, has been found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument LangType leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. TOTOLINK of ex1200t 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 EX1200T is a Wi-Fi range extender from China's TOTOLINK Electronics. The vulnerability is caused by the parameter LangType in the file /cgi-bin/cstecgi.cgi failing to properly 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-2025-5600 // JVNDB: JVNDB-2025-006625 // CNVD: CNVD-2025-12071

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-12071

AFFECTED PRODUCTS

vendor:totolinkmodel:ex1200tscope:eqversion:4.1.2cu.5232_b20210713

Trust: 1.0

vendor:totolinkmodel:ex1200tscope:eqversion:ex1200t firmware 4.1.2cu.5232 b20210713

Trust: 0.8

vendor:totolinkmodel:ex1200tscope: - version: -

Trust: 0.8

vendor:totolinkmodel:ex1200tscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:ex1200t 4.1.2cu.5232 b20210713scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-12071 // JVNDB: JVNDB-2025-006625 // NVD: CVE-2025-5600

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-5600
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2025-006625
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2025-12071
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-5600
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

OTHER: JVNDB-2025-006625
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-2025-12071
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

cna@vuldb.com: CVE-2025-5600
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

OTHER: JVNDB-2025-006625
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-2025-12071 // JVNDB: JVNDB-2025-006625 // NVD: CVE-2025-5600

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-121

Trust: 1.0

problemtype:CWE-787

Trust: 1.0

problemtype:Buffer error (CWE-119) [ others ]

Trust: 0.8

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

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-006625 // NVD: CVE-2025-5600

EXTERNAL IDS

db:NVDid:CVE-2025-5600

Trust: 3.2

db:VULDBid:311087

Trust: 1.8

db:JVNDBid:JVNDB-2025-006625

Trust: 0.8

db:CNVDid:CNVD-2025-12071

Trust: 0.6

sources: CNVD: CNVD-2025-12071 // JVNDB: JVNDB-2025-006625 // NVD: CVE-2025-5600

REFERENCES

url:https://kn0sinna.notion.site/totolink-ex1200t-stack-based-bufferoverflow-vulnerability-204b1876cd6e80709ce8dab4778dce55

Trust: 1.8

url:https://vuldb.com/?id.311087

Trust: 1.8

url:https://vuldb.com/?submit.588075

Trust: 1.8

url:https://www.totolink.net/

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-5600

Trust: 1.4

url:https://vuldb.com/?ctiid.311087

Trust: 1.0

sources: CNVD: CNVD-2025-12071 // JVNDB: JVNDB-2025-006625 // NVD: CVE-2025-5600

SOURCES

db:CNVDid:CNVD-2025-12071
db:JVNDBid:JVNDB-2025-006625
db:NVDid:CVE-2025-5600

LAST UPDATE DATE

2025-06-14T23:00:36.331000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-12071date:2025-06-11T00:00:00
db:JVNDBid:JVNDB-2025-006625date:2025-06-11T02:01:00
db:NVDid:CVE-2025-5600date:2025-06-10T15:09:46.277

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-12071date:2025-06-11T00:00:00
db:JVNDBid:JVNDB-2025-006625date:2025-06-11T00:00:00
db:NVDid:CVE-2025-5600date:2025-06-04T18:15:38.817