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ID

VAR-202104-1585


CVE

CVE-2021-26827


TITLE

TP-Link WR2041 Buffer Overflow Vulnerability

Trust: 0.6

sources: CNVD: CNVD-2022-21174

DESCRIPTION

Buffer Overflow in TP-Link WR2041 v1 firmware for the TL-WR2041+ router allows remote attackers to cause a Denial-of-Service (DoS) by sending an HTTP request with a very long "ssid" parameter to the "/userRpm/popupSiteSurveyRpm.html" webpage, which crashes the router. TP-Link WR2041 is a wireless WIFI of China TP-Link company

Trust: 1.53

sources: NVD: CVE-2021-26827 // CNVD: CNVD-2022-21174 // VULMON: CVE-2021-26827

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-21174

AFFECTED PRODUCTS

vendor:tp linkmodel:tl-wr2041\+scope:eqversion: -

Trust: 1.0

vendor:tp linkmodel:tl-wr2041scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2022-21174 // NVD: CVE-2021-26827

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-26827
value: HIGH

Trust: 1.0

CNVD: CNVD-2022-21174
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202104-1096
value: HIGH

Trust: 0.6

VULMON: CVE-2021-26827
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-26827
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.1

CNVD: CNVD-2022-21174
severity: HIGH
baseScore: 7.8
vectorString: AV:N/AC:L/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-26827
baseSeverity: HIGH
baseScore: 7.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 3.6
version: 3.1

Trust: 1.0

sources: CNVD: CNVD-2022-21174 // VULMON: CVE-2021-26827 // CNNVD: CNNVD-202104-1096 // NVD: CVE-2021-26827

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

sources: NVD: CVE-2021-26827

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-1096

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202104-1096

EXTERNAL IDS

db:NVDid:CVE-2021-26827

Trust: 2.3

db:CNVDid:CNVD-2022-21174

Trust: 0.6

db:CNNVDid:CNNVD-202104-1096

Trust: 0.6

db:VULMONid:CVE-2021-26827

Trust: 0.1

sources: CNVD: CNVD-2022-21174 // VULMON: CVE-2021-26827 // CNNVD: CNNVD-202104-1096 // NVD: CVE-2021-26827

REFERENCES

url:https://github.com/gd008/vuln/blob/main/tplink_wr2041/tplink_wr2041pv1.md

Trust: 2.3

url:https://nvd.nist.gov/vuln/detail/cve-2021-26827

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/120.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2022-21174 // VULMON: CVE-2021-26827 // CNNVD: CNNVD-202104-1096 // NVD: CVE-2021-26827

SOURCES

db:CNVDid:CNVD-2022-21174
db:VULMONid:CVE-2021-26827
db:CNNVDid:CNNVD-202104-1096
db:NVDid:CVE-2021-26827

LAST UPDATE DATE

2024-11-23T22:33:05.021000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-21174date:2022-03-21T00:00:00
db:VULMONid:CVE-2021-26827date:2021-04-21T00:00:00
db:CNNVDid:CNNVD-202104-1096date:2021-04-22T00:00:00
db:NVDid:CVE-2021-26827date:2024-11-21T05:56:52.157

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-21174date:2021-03-21T00:00:00
db:VULMONid:CVE-2021-26827date:2021-04-14T00:00:00
db:CNNVDid:CNNVD-202104-1096date:2021-04-14T00:00:00
db:NVDid:CVE-2021-26827date:2021-04-14T14:15:13.460