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ID

VAR-202505-1741


CVE

CVE-2025-4835


TITLE

plural  TOTOLINK  Buffer error vulnerability in the product

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sources: JVNDB: JVNDB-2025-005662

DESCRIPTION

A vulnerability was found in TOTOLINK A702R, A3002R and A3002RU 3.0.0-B20230809.1615. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The manipulation of the argument redirect-url leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. TOTOLINK of A702R firmware, A3002R firmware, A3002RU 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-2025-4835 // JVNDB: JVNDB-2025-005662

AFFECTED PRODUCTS

vendor:totolinkmodel:a3002ruscope:eqversion:3.0.0-b20230809.1615

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vendor:totolinkmodel:a3002rscope:eqversion:3.0.0-b20230809.1615

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vendor:totolinkmodel:a702rscope:eqversion:3.0.0-b20230809.1615

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vendor:totolinkmodel:a3002rscope: - version: -

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vendor:totolinkmodel:a3002ruscope: - version: -

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vendor:totolinkmodel:a702rscope: - version: -

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sources: JVNDB: JVNDB-2025-005662 // NVD: CVE-2025-4835

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-4835
value: HIGH

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OTHER: JVNDB-2025-005662
value: HIGH

Trust: 0.8

cna@vuldb.com: CVE-2025-4835
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-2025-005662
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-2025-4835
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-2025-005662
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-2025-005662 // NVD: CVE-2025-4835

PROBLEMTYPE DATA

problemtype:CWE-120

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problemtype:CWE-119

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

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sources: JVNDB: JVNDB-2025-005662 // NVD: CVE-2025-4835

EXTERNAL IDS

db:NVDid:CVE-2025-4835

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db:VULDBid:309301

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db:JVNDBid:JVNDB-2025-005662

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sources: JVNDB: JVNDB-2025-005662 // NVD: CVE-2025-4835

REFERENCES

url:https://vuldb.com/?id.309301

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url:https://vuldb.com/?submit.574608

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url:https://www.totolink.net/

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url:https://github.com/ch13hh/tmp_store_cc/blob/main/toto/13.md

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url:https://vuldb.com/?ctiid.309301

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url:https://nvd.nist.gov/vuln/detail/cve-2025-4835

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sources: JVNDB: JVNDB-2025-005662 // NVD: CVE-2025-4835

SOURCES

db:JVNDBid:JVNDB-2025-005662
db:NVDid:CVE-2025-4835

LAST UPDATE DATE

2025-05-29T23:48:24.116000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2025-005662date:2025-05-26T06:46:00
db:NVDid:CVE-2025-4835date:2025-05-23T15:50:01.543

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2025-005662date:2025-05-26T00:00:00
db:NVDid:CVE-2025-4835date:2025-05-17T20:15:19.397