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ID

VAR-202507-0667


CVE

CVE-2025-7531


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  FH1202  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-009371

DESCRIPTION

A vulnerability, which was classified as critical, was found in Tenda FH1202 1.2.0.14(408). This affects the function fromPptpUserSetting of the file /goform/PPTPUserSetting. The manipulation of the argument delno leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Shenzhen Tenda Technology Co.,Ltd. of FH1202 The firmware contains a buffer error vulnerability and a stack-based buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The vulnerability is caused by the parameter delno of the function fromPptpUserSetting in the file /goform/PPTPUserSetting failing to correctly verify the length of the input data. A remote attacker can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service attack

Trust: 2.16

sources: NVD: CVE-2025-7531 // JVNDB: JVNDB-2025-009371 // CNVD: CNVD-2025-16962

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-16962

AFFECTED PRODUCTS

vendor:tendamodel:fh1202scope:eqversion:1.2.0.14\(408\)

Trust: 1.0

vendor:tendamodel:fh1202scope:eqversion:fh1202 firmware 1.2.0.14(408)

Trust: 0.8

vendor:tendamodel:fh1202scope:eqversion: -

Trust: 0.8

vendor:tendamodel:fh1202scope: - version: -

Trust: 0.8

vendor:tendamodel:fh1202scope:eqversion:1.2.0.14(408)

Trust: 0.6

sources: CNVD: CNVD-2025-16962 // JVNDB: JVNDB-2025-009371 // NVD: CVE-2025-7531

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-7531
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-009371
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-16962
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-7531
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-2025-009371
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-2025-16962
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-2025-7531
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

OTHER: JVNDB-2025-009371
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-2025-16962 // JVNDB: JVNDB-2025-009371 // NVD: CVE-2025-7531

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-121

Trust: 1.0

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

Trust: 0.8

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-009371 // NVD: CVE-2025-7531

EXTERNAL IDS

db:NVDid:CVE-2025-7531

Trust: 3.2

db:VULDBid:316227

Trust: 1.8

db:JVNDBid:JVNDB-2025-009371

Trust: 0.8

db:CNVDid:CNVD-2025-16962

Trust: 0.6

sources: CNVD: CNVD-2025-16962 // JVNDB: JVNDB-2025-009371 // NVD: CVE-2025-7531

REFERENCES

url:https://github.com/panda666-888/vuls/blob/main/tenda/fh1202/frompptpusersetting.md

Trust: 1.8

url:https://vuldb.com/?id.316227

Trust: 1.8

url:https://vuldb.com/?submit.612957

Trust: 1.8

url:https://www.tenda.com.cn/

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-7531

Trust: 1.4

url:https://vuldb.com/?ctiid.316227

Trust: 1.0

sources: CNVD: CNVD-2025-16962 // JVNDB: JVNDB-2025-009371 // NVD: CVE-2025-7531

SOURCES

db:CNVDid:CNVD-2025-16962
db:JVNDBid:JVNDB-2025-009371
db:NVDid:CVE-2025-7531

LAST UPDATE DATE

2025-07-29T23:18:31.921000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-16962date:2025-07-28T00:00:00
db:JVNDBid:JVNDB-2025-009371date:2025-07-18T09:08:00
db:NVDid:CVE-2025-7531date:2025-07-16T14:56:03.977

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-16962date:2025-07-25T00:00:00
db:JVNDBid:JVNDB-2025-009371date:2025-07-18T00:00:00
db:NVDid:CVE-2025-7531date:2025-07-13T16:15:21.413