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ID

VAR-202602-2382


CVE

CVE-2026-2877


TITLE

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

Trust: 0.8

sources: JVNDB: JVNDB-2026-004679

DESCRIPTION

A vulnerability has been found in Tenda A18 15.13.07.13. This affects the function strcpy of the file /goform/WifiExtraSet of the component Httpd Service. The manipulation of the argument wpapsk_crypto5g 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. This exploit is publicly available and may be exploited 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-2026-2877 // JVNDB: JVNDB-2026-004679

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-2026-004679 // NVD: CVE-2026-2877

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2026-2877
value: HIGH

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OTHER: JVNDB-2026-004679
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2026-2877
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-2026-004679
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-2026-2877
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-2026-004679
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-2026-004679 // NVD: CVE-2026-2877

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-2026-004679 // NVD: CVE-2026-2877

PATCH

title:Tenda A18 V15.13.07.13 Stack-based Buffer Overflowurl:https://vuldb.com/?id.347130

Trust: 0.8

sources: JVNDB: JVNDB-2026-004679

EXTERNAL IDS

db:NVDid:CVE-2026-2877

Trust: 2.6

db:VULDBid:347130

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db:JVNDBid:JVNDB-2026-004679

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sources: JVNDB: JVNDB-2026-004679 // NVD: CVE-2026-2877

REFERENCES

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

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url:https://github.com/master-abc/cve/issues/39

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url:https://vuldb.com/?ctiid.347130

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url:https://vuldb.com/?id.347130

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url:https://vuldb.com/?submit.754703

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url:https://nvd.nist.gov/vuln/detail/cve-2026-2877

Trust: 0.8

sources: JVNDB: JVNDB-2026-004679 // NVD: CVE-2026-2877

SOURCES

db:JVNDBid:JVNDB-2026-004679
db:NVDid:CVE-2026-2877

LAST UPDATE DATE

2026-02-26T23:46:45.868000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2026-004679date:2026-02-25T03:37:00
db:NVDid:CVE-2026-2877date:2026-02-23T20:09:24.240

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2026-004679date:2026-02-25T00:00:00
db:NVDid:CVE-2026-2877date:2026-02-21T19:15:58.940