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ID

VAR-202506-0500


CVE

CVE-2025-5839


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  AC9  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-006593

DESCRIPTION

A vulnerability, which was classified as critical, has been found in Tenda AC9 15.03.02.13. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Handler. The manipulation of the argument lanMask leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Shenzhen Tenda Technology Co.,Ltd. of AC9 The firmware contains a buffer error vulnerability and a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Trust: 1.62

sources: NVD: CVE-2025-5839 // JVNDB: JVNDB-2025-006593

AFFECTED PRODUCTS

vendor:tendamodel:ac9scope:eqversion:15.03.2.13

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vendor:tendamodel:ac9scope: - version: -

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vendor:tendamodel:ac9scope:eqversion:ac9 firmware 15.03.2.13

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vendor:tendamodel:ac9scope:eqversion: -

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sources: JVNDB: JVNDB-2025-006593 // NVD: CVE-2025-5839

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-5839
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-006593
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2025-5839
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-2025-006593
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

cna@vuldb.com: CVE-2025-5839
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-2025-006593
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: JVNDB: JVNDB-2025-006593 // NVD: CVE-2025-5839

PROBLEMTYPE DATA

problemtype:CWE-119

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problemtype:CWE-120

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

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

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sources: JVNDB: JVNDB-2025-006593 // NVD: CVE-2025-5839

EXTERNAL IDS

db:NVDid:CVE-2025-5839

Trust: 2.6

db:VULDBid:311582

Trust: 1.8

db:JVNDBid:JVNDB-2025-006593

Trust: 0.8

sources: JVNDB: JVNDB-2025-006593 // NVD: CVE-2025-5839

REFERENCES

url:https://candle-throne-f75.notion.site/tenda-ac9-fromadvsetlanip-20adf0aa11858027b7c3c2f4e44bb867

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url:https://vuldb.com/?id.311582

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url:https://vuldb.com/?submit.591369

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

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url:https://vuldb.com/?ctiid.311582

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2025-5839

Trust: 0.8

sources: JVNDB: JVNDB-2025-006593 // NVD: CVE-2025-5839

SOURCES

db:JVNDBid:JVNDB-2025-006593
db:NVDid:CVE-2025-5839

LAST UPDATE DATE

2025-06-11T19:33:26.022000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2025-006593date:2025-06-10T07:06:00
db:NVDid:CVE-2025-5839date:2025-06-09T19:07:34.470

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2025-006593date:2025-06-10T00:00:00
db:NVDid:CVE-2025-5839date:2025-06-07T18:15:25.080