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ID

VAR-202108-1045


CVE

CVE-2021-28846


TITLE

plural  TRENDnet  Product Format String Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-010497

DESCRIPTION

A Format String vulnerablity exists in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03, which could let a remote malicious user cause a denial of service due to a logic bug at address 0x40dcd0 when calling fprintf with "%s: key len = %d, too long\n" format. The two variables seem to be put in the wrong order. The vulnerability could be triggered by sending the POST request to apply_cgi with a long and unknown key in the request body. plural TRENDnet The product contains a vulnerability in format strings.Service operation interruption (DoS) It may be in a state

Trust: 1.71

sources: NVD: CVE-2021-28846 // JVNDB: JVNDB-2021-010497 // VULMON: CVE-2021-28846

AFFECTED PRODUCTS

vendor:trendnetmodel:tew-825dapscope:eqversion:1.11b03

Trust: 1.0

vendor:trendnetmodel:tew-821dap2kacscope:eqversion:1.11b03

Trust: 1.0

vendor:trendnetmodel:tew-755ap2kacscope:eqversion:1.11b03

Trust: 1.0

vendor:trendnetmodel:tew-755apscope:eqversion:1.11b03

Trust: 1.0

vendor:trendnetmodel:tew-821dap2kacscope: - version: -

Trust: 0.8

vendor:trendnetmodel:tew-755ap2kacscope: - version: -

Trust: 0.8

vendor:trendnetmodel:tew-825dapscope: - version: -

Trust: 0.8

vendor:trendnetmodel:tew-755apscope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-010497 // NVD: CVE-2021-28846

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-28846
value: MEDIUM

Trust: 1.0

NVD: CVE-2021-28846
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-202108-1022
value: MEDIUM

Trust: 0.6

VULMON: CVE-2021-28846
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-28846
severity: MEDIUM
baseScore: 4.0
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

nvd@nist.gov: CVE-2021-28846
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2021-28846
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULMON: CVE-2021-28846 // JVNDB: JVNDB-2021-010497 // CNNVD: CNNVD-202108-1022 // NVD: CVE-2021-28846

PROBLEMTYPE DATA

problemtype:CWE-134

Trust: 1.0

problemtype:Format string problem (CWE-134) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-010497 // NVD: CVE-2021-28846

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-1022

TYPE

format string error

Trust: 0.6

sources: CNNVD: CNNVD-202108-1022

PATCH

title:SUPPORT TICKET #243638url:https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdf

Trust: 0.8

title:Trendnet Fixing measures for vulnerabilities of format string errors in various productsurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159398

Trust: 0.6

sources: JVNDB: JVNDB-2021-010497 // CNNVD: CNNVD-202108-1022

EXTERNAL IDS

db:NVDid:CVE-2021-28846

Trust: 3.3

db:JVNDBid:JVNDB-2021-010497

Trust: 0.8

db:CNNVDid:CNNVD-202108-1022

Trust: 0.6

db:VULMONid:CVE-2021-28846

Trust: 0.1

sources: VULMON: CVE-2021-28846 // JVNDB: JVNDB-2021-010497 // CNNVD: CNNVD-202108-1022 // NVD: CVE-2021-28846

REFERENCES

url:https://github.com/zyw-200/equafl/blob/main/trendnet%20ticket.pdf

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-28846

Trust: 0.8

url:https://cwe.mitre.org/data/definitions/134.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULMON: CVE-2021-28846 // JVNDB: JVNDB-2021-010497 // CNNVD: CNNVD-202108-1022 // NVD: CVE-2021-28846

SOURCES

db:VULMONid:CVE-2021-28846
db:JVNDBid:JVNDB-2021-010497
db:CNNVDid:CNNVD-202108-1022
db:NVDid:CVE-2021-28846

LAST UPDATE DATE

2024-08-14T15:27:38.989000+00:00


SOURCES UPDATE DATE

db:VULMONid:CVE-2021-28846date:2021-08-19T00:00:00
db:JVNDBid:JVNDB-2021-010497date:2022-07-04T02:13:00
db:CNNVDid:CNNVD-202108-1022date:2021-08-20T00:00:00
db:NVDid:CVE-2021-28846date:2021-08-19T17:12:10.670

SOURCES RELEASE DATE

db:VULMONid:CVE-2021-28846date:2021-08-10T00:00:00
db:JVNDBid:JVNDB-2021-010497date:2022-07-04T00:00:00
db:CNNVDid:CNNVD-202108-1022date:2021-08-10T00:00:00
db:NVDid:CVE-2021-28846date:2021-08-10T20:15:08.417