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ID

VAR-202506-0531


CVE

CVE-2025-5911


TITLE

TOTOLINK  of  ex1200t  Classic buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-007039

DESCRIPTION

A vulnerability was found in TOTOLINK EX1200T up to 4.1.2cu.5232_B20210713 and classified as critical. Affected by this issue is some unknown functionality of the file /boafrm/formDMZ of the component HTTP POST Request Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. TOTOLINK of ex1200t 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 EX1200T is a Wi-Fi range extender from China's TOTOLINK Electronics. Attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service

Trust: 2.16

sources: NVD: CVE-2025-5911 // JVNDB: JVNDB-2025-007039 // CNVD: CNVD-2025-12870

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-12870

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-2025-12870 // JVNDB: JVNDB-2025-007039 // NVD: CVE-2025-5911

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-5911
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2025-5911
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-007039
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-12870
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-5911
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-2025-007039
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-2025-12870
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-2025-5911
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-2025-007039
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-2025-12870 // JVNDB: JVNDB-2025-007039 // NVD: CVE-2025-5911 // NVD: CVE-2025-5911

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-120

Trust: 1.0

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

Trust: 0.8

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

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-007039 // NVD: CVE-2025-5911

EXTERNAL IDS

db:NVDid:CVE-2025-5911

Trust: 3.2

db:VULDBid:311684

Trust: 1.8

db:JVNDBid:JVNDB-2025-007039

Trust: 0.8

db:CNVDid:CNVD-2025-12870

Trust: 0.6

sources: CNVD: CNVD-2025-12870 // JVNDB: JVNDB-2025-007039 // NVD: CVE-2025-5911

REFERENCES

url:https://github.com/byxs0x0/cve2/blob/main/7.md

Trust: 2.4

url:https://vuldb.com/?id.311684

Trust: 1.8

url:https://vuldb.com/?submit.592272

Trust: 1.8

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

Trust: 1.8

url:https://vuldb.com/?ctiid.311684

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-5911

Trust: 0.8

sources: CNVD: CNVD-2025-12870 // JVNDB: JVNDB-2025-007039 // NVD: CVE-2025-5911

SOURCES

db:CNVDid:CNVD-2025-12870
db:JVNDBid:JVNDB-2025-007039
db:NVDid:CVE-2025-5911

LAST UPDATE DATE

2025-06-21T23:30:41.180000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-12870date:2025-06-19T00:00:00
db:JVNDBid:JVNDB-2025-007039date:2025-06-17T00:57:00
db:NVDid:CVE-2025-5911date:2025-06-16T17:06:20.300

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-12870date:2025-06-19T00:00:00
db:JVNDBid:JVNDB-2025-007039date:2025-06-17T00:00:00
db:NVDid:CVE-2025-5911date:2025-06-10T03:15:39.060