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ID

VAR-202602-2504


CVE

CVE-2026-2876


TITLE

Shenzhen Tenda Technology Co.,Ltd. of A18  Multiple vulnerabilities in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2026-004680

DESCRIPTION

A vulnerability was determined in Tenda A18 15.13.07.13. This affects the function parse_macfilter_rule of the file /goform/setBlackRule. This manipulation of the argument deviceList causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. Tenda A18 version of 15.13.07.13 The vulnerability was discovered in the file /goform/setBlackRule Functions in parse_macfilter_rule Affects the argument deviceList This vulnerability can be exploited remotely by manipulating the .ini file, which can lead to a stack-based buffer overflow. An exploit is publicly available and is likely to be used in the wild.All information handled by the software may be leaked to the outside. All information handled by the software may be rewritten. Furthermore, the software may stop working completely. Furthermore, attacks that exploit this vulnerability will not affect other software

Trust: 1.62

sources: NVD: CVE-2026-2876 // JVNDB: JVNDB-2026-004680

AFFECTED PRODUCTS

vendor:tendamodel:a18scope:eqversion:15.13.07.13

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vendor:tendamodel:a18scope: - version: -

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vendor:tendamodel:a18scope:eqversion:a18 firmware 15.13.07.13

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vendor:tendamodel:a18scope:eqversion: -

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sources: JVNDB: JVNDB-2026-004680 // NVD: CVE-2026-2876

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-2876
value: HIGH

Trust: 1.0

OTHER: JVNDB-2026-004680
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2026-2876
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-2026-004680
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-2026-2876
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-2026-004680
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-2026-004680 // NVD: CVE-2026-2876

PROBLEMTYPE DATA

problemtype:CWE-121

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problemtype:CWE-119

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

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

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sources: JVNDB: JVNDB-2026-004680 // NVD: CVE-2026-2876

PATCH

title:Tenda A18 V15.13.07.13 Stack-based Buffer Overflowurl:https://vuldb.com/?id.347114

Trust: 0.8

sources: JVNDB: JVNDB-2026-004680

EXTERNAL IDS

db:NVDid:CVE-2026-2876

Trust: 2.6

db:VULDBid:347114

Trust: 1.0

db:JVNDBid:JVNDB-2026-004680

Trust: 0.8

sources: JVNDB: JVNDB-2026-004680 // NVD: CVE-2026-2876

REFERENCES

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

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url:https://github.com/master-abc/cve/issues/38

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url:https://vuldb.com/?submit.754675

Trust: 1.0

url:https://vuldb.com/?id.347114

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url:https://vuldb.com/?ctiid.347114

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2026-2876

Trust: 0.8

sources: JVNDB: JVNDB-2026-004680 // NVD: CVE-2026-2876

SOURCES

db:JVNDBid:JVNDB-2026-004680
db:NVDid:CVE-2026-2876

LAST UPDATE DATE

2026-02-26T23:37:44.599000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-004680date:2026-02-25T03:37:00
db:NVDid:CVE-2026-2876date:2026-02-23T20:33:02.043

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-004680date:2026-02-25T00:00:00
db:NVDid:CVE-2026-2876date:2026-02-21T18:16:00.933