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ID

VAR-202504-2960


CVE

CVE-2025-28136


TITLE

TOTOLINK  of  a800r  Stack-based buffer overflow vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-004096

DESCRIPTION

TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi. TOTOLINK A800R is a wireless router produced by China's TOTOLINK Electronics. No detailed vulnerability details are currently provided

Trust: 2.16

sources: NVD: CVE-2025-28136 // JVNDB: JVNDB-2025-004096 // CNVD: CNVD-2025-12010

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-12010

AFFECTED PRODUCTS

vendor:totolinkmodel:a800rscope:eqversion:4.1.2cu.5137_b20200730

Trust: 1.0

vendor:totolinkmodel:a800rscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:a800rscope:eqversion:a800r firmware 4.1.2cu.5137 b20200730

Trust: 0.8

vendor:totolinkmodel:a800rscope: - version: -

Trust: 0.8

vendor:totolinkmodel:a800r v4.1.2cu.5137 b20200730scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-12010 // JVNDB: JVNDB-2025-004096 // NVD: CVE-2025-28136

CVSS

SEVERITY

CVSSV2

CVSSV3

134c704f-9b21-4f2e-91b3-4a467353bcc0: CVE-2025-28136
value: MEDIUM

Trust: 1.0

OTHER: JVNDB-2025-004096
value: MEDIUM

Trust: 0.8

CNVD: CNVD-2025-12010
value: MEDIUM

Trust: 0.6

CNVD: CNVD-2025-12010
severity: MEDIUM
baseScore: 6.4
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 10.0
impactScore: 4.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

134c704f-9b21-4f2e-91b3-4a467353bcc0: CVE-2025-28136
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: NONE
exploitabilityScore: 3.9
impactScore: 2.5
version: 3.1

Trust: 1.0

OTHER: JVNDB-2025-004096
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: NONE
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-12010 // JVNDB: JVNDB-2025-004096 // NVD: CVE-2025-28136

PROBLEMTYPE DATA

problemtype:CWE-121

Trust: 1.0

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

Trust: 0.8

sources: JVNDB: JVNDB-2025-004096 // NVD: CVE-2025-28136

EXTERNAL IDS

db:NVDid:CVE-2025-28136

Trust: 3.2

db:JVNDBid:JVNDB-2025-004096

Trust: 0.8

db:CNVDid:CNVD-2025-12010

Trust: 0.6

sources: CNVD: CNVD-2025-12010 // JVNDB: JVNDB-2025-004096 // NVD: CVE-2025-28136

REFERENCES

url:https://github.com/zerone0x00/cve/blob/main/totolink/cve-2025-28136.md

Trust: 2.4

url:https://sudsy-eyeliner-a59.notion.site/bufferoverflow-v4-1-2cu-5137_b20200730-19872b8cd95f80cf8df9f3abcb912554

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2025-28136

Trust: 0.8

sources: CNVD: CNVD-2025-12010 // JVNDB: JVNDB-2025-004096 // NVD: CVE-2025-28136

SOURCES

db:CNVDid:CNVD-2025-12010
db:JVNDBid:JVNDB-2025-004096
db:NVDid:CVE-2025-28136

LAST UPDATE DATE

2025-06-12T02:13:22.936000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-12010date:2025-06-10T00:00:00
db:JVNDBid:JVNDB-2025-004096date:2025-04-30T05:07:00
db:NVDid:CVE-2025-28136date:2025-04-29T16:22:52.613

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-12010date:2025-06-10T00:00:00
db:JVNDBid:JVNDB-2025-004096date:2025-04-30T00:00:00
db:NVDid:CVE-2025-28136date:2025-04-15T14:15:41.283