CVE-2021-44246

Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain a stack overflow in the function setNoticeCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via the IpTo parameter.

CVSS v3 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_2/2.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:h:totolink:a720r:-:*:*:*:*:*:*:*

cpe:2.3:o:totolink:a720r_firmware:4.1.5cu.470_b20200911:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:h:totolink:a830r:-:*:*:*:*:*:*:*

cpe:2.3:o:totolink:a830r_firmware:5.9c.4729_b20191112:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*

cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5050_b20200504:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-02-04 02:15

Updated : 2023-08-08 14:21

NVD link : CVE-2021-44246

Mitre link : CVE-2021-44246

CVE.ORG link : CVE-2021-44246

JSON object : View

Products Affected

totolink

a830r
a3100r_firmware
a720r
a830r_firmware
a3100r
a720r_firmware

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-44246", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2022-02-04T02:15:07.827", "references": [{"url": "https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_2/2.md", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain a stack overflow in the function setNoticeCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via the IpTo parameter."}, {"lang": "es", "value": "Se ha detectado que los dispositivos Totolink A3100R versi\u00f3n v4.1.2cu.5050_B20200504, A830R versi\u00f3n v5.9c.4729_B20191112 y A720R versi\u00f3n v4.1.5cu.470_B20200911 contienen un desbordamiento de pila en la funci\u00f3n setNoticeCfg. Esta vulnerabilidad permite a atacantes causar una denegaci\u00f3n de servicio (DoS) por medio del par\u00e1metro IpTo"}], "lastModified": "2023-08-08T14:21:49.707", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:totolink:a720r:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A1DE5168-B787-462C-B024-2B8F73759034"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:totolink:a720r_firmware:4.1.5cu.470_b20200911:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C7B3C9D3-E762-4AEE-9E03-B2A1819785A4"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:totolink:a830r:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1751A6D0-CD32-4035-94B0-6085272AB214"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:totolink:a830r_firmware:5.9c.4729_b20191112:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FCB860A4-250F-43CD-90F6-E97D9FF4D595"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "40729E79-9D89-440F-B38D-E62D310E27F9"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5050_b20200504:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0BD0B6FC-5C4F-4547-883D-7B9C03B45523"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}