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ID

VAR-202506-0499


CVE

CVE-2025-5863


TITLE

Shenzhen Tenda Technology Co.,Ltd.  of  AC5  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-006536

DESCRIPTION

A vulnerability was found in Tenda AC5 15.03.06.47. It has been classified as critical. Affected is the function formSetRebootTimer of the file /goform/SetRebootTimer. The manipulation of the argument rebootTime leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. of AC5 The firmware contains a buffer error vulnerability, a stack-based buffer overflow vulnerability, and an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. Attackers can exploit this vulnerability to cause memory corruption and execute arbitrary code

Trust: 2.16

sources: NVD: CVE-2025-5863 // JVNDB: JVNDB-2025-006536 // CNVD: CNVD-2025-15723

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-15723

AFFECTED PRODUCTS

vendor:tendamodel:ac5scope:eqversion:15.03.06.47

Trust: 1.6

vendor:tendamodel:ac5scope: - version: -

Trust: 0.8

vendor:tendamodel:ac5scope:eqversion: -

Trust: 0.8

vendor:tendamodel:ac5scope:eqversion:ac5 firmware 15.03.06.47

Trust: 0.8

sources: CNVD: CNVD-2025-15723 // JVNDB: JVNDB-2025-006536 // NVD: CVE-2025-5863

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-5863
value: HIGH

Trust: 1.0

nvd@nist.gov: CVE-2025-5863
value: CRITICAL

Trust: 1.0

OTHER: JVNDB-2025-006536
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2025-15723
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-5863
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-2025-006536
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-2025-15723
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-2025-5863
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

nvd@nist.gov: CVE-2025-5863
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: JVNDB-2025-006536
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-15723 // JVNDB: JVNDB-2025-006536 // NVD: CVE-2025-5863 // NVD: CVE-2025-5863

PROBLEMTYPE DATA

problemtype:CWE-121

Trust: 1.0

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-787

Trust: 1.0

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

Trust: 0.8

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

Trust: 0.8

problemtype: Out-of-bounds writing (CWE-787) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-006536 // NVD: CVE-2025-5863

PATCH

title:Patch for Tenda AC5 Buffer Overflow Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/709091

Trust: 0.6

sources: CNVD: CNVD-2025-15723

EXTERNAL IDS

db:NVDid:CVE-2025-5863

Trust: 3.2

db:VULDBid:311622

Trust: 2.4

db:JVNDBid:JVNDB-2025-006536

Trust: 0.8

db:CNVDid:CNVD-2025-15723

Trust: 0.6

sources: CNVD: CNVD-2025-15723 // JVNDB: JVNDB-2025-006536 // NVD: CVE-2025-5863

REFERENCES

url:https://lavender-bicycle-a5a.notion.site/tenda-ac5-formsetreboottimer-20a53a41781f80a6b9a8f6e5915cf256?source=copy_link

Trust: 2.4

url:https://vuldb.com/?id.311622

Trust: 2.4

url:https://vuldb.com/?submit.591981

Trust: 2.4

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

Trust: 2.4

url:https://vuldb.com/?ctiid.311622

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2025-5863

Trust: 0.8

sources: CNVD: CNVD-2025-15723 // JVNDB: JVNDB-2025-006536 // NVD: CVE-2025-5863

SOURCES

db:CNVDid:CNVD-2025-15723
db:JVNDBid:JVNDB-2025-006536
db:NVDid:CVE-2025-5863

LAST UPDATE DATE

2025-07-17T23:34:24.861000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-15723date:2025-07-15T00:00:00
db:JVNDBid:JVNDB-2025-006536date:2025-06-10T01:59:00
db:NVDid:CVE-2025-5863date:2025-06-09T19:02:45.383

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-15723date:2025-07-15T00:00:00
db:JVNDBid:JVNDB-2025-006536date:2025-06-10T00:00:00
db:NVDid:CVE-2025-5863date:2025-06-09T06:15:25.870