VAR-202108-0935
Vulnerability from variot - Updated: 2024-08-14 15:37Null Pointer Dereference vulnerability exists in D-Link DSL-2740R UK_1.01, which could let a remove malicious user cause a denial of service via the send_hnap_unauthorized function. It could be triggered by sending crafted POST request to /HNAP1/. NOTE: The DSL-2740R and all hardware revisions are considered End of Life and as such this issue will not be patched. ** Not supported ** This is a vulnerability in an unsupported product. D-Link DSL-2740R for, NULL There is a vulnerability in pointer dereference.Service operation interruption (DoS) It may be in a state. D-Link DSL-2740R is a high-performance ADSL router from D-Link in Taiwan.
D-Link DSL-2740R UK 1.01 has a security vulnerability, which can be exploited by an attacker to cause a denial of service of related devices
Show details on source website{
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
"affected_products": {
"@id": "https://www.variotdbs.pl/ref/affected_products"
},
"configurations": {
"@id": "https://www.variotdbs.pl/ref/configurations"
},
"credits": {
"@id": "https://www.variotdbs.pl/ref/credits"
},
"cvss": {
"@id": "https://www.variotdbs.pl/ref/cvss/"
},
"description": {
"@id": "https://www.variotdbs.pl/ref/description/"
},
"exploit_availability": {
"@id": "https://www.variotdbs.pl/ref/exploit_availability/"
},
"external_ids": {
"@id": "https://www.variotdbs.pl/ref/external_ids/"
},
"iot": {
"@id": "https://www.variotdbs.pl/ref/iot/"
},
"iot_taxonomy": {
"@id": "https://www.variotdbs.pl/ref/iot_taxonomy/"
},
"patch": {
"@id": "https://www.variotdbs.pl/ref/patch/"
},
"problemtype_data": {
"@id": "https://www.variotdbs.pl/ref/problemtype_data/"
},
"references": {
"@id": "https://www.variotdbs.pl/ref/references/"
},
"sources": {
"@id": "https://www.variotdbs.pl/ref/sources/"
},
"sources_release_date": {
"@id": "https://www.variotdbs.pl/ref/sources_release_date/"
},
"sources_update_date": {
"@id": "https://www.variotdbs.pl/ref/sources_update_date/"
},
"threat_type": {
"@id": "https://www.variotdbs.pl/ref/threat_type/"
},
"title": {
"@id": "https://www.variotdbs.pl/ref/title/"
},
"type": {
"@id": "https://www.variotdbs.pl/ref/type/"
}
},
"@id": "https://www.variotdbs.pl/vuln/VAR-202108-0935",
"affected_products": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/affected_products#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
},
"@id": "https://www.variotdbs.pl/ref/sources"
}
},
"data": [
{
"model": "dsl-2740r",
"scope": "eq",
"trust": 1.0,
"vendor": "dlink",
"version": "uk_1.01"
},
{
"model": "dsl-2740r",
"scope": "eq",
"trust": 0.8,
"vendor": "d link",
"version": "dsl-2740r firmware uk_1.01"
},
{
"model": "dsl-2740r",
"scope": "eq",
"trust": 0.8,
"vendor": "d link",
"version": null
},
{
"model": "technology dsl-2740r uk",
"scope": "eq",
"trust": 0.6,
"vendor": "youxun",
"version": "1.01"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-63769"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-010718"
},
{
"db": "NVD",
"id": "CVE-2021-29294"
}
]
},
"cve": "CVE-2021-29294",
"cvss": {
"@context": {
"cvssV2": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/cvssV2"
},
"cvssV3": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/"
},
"severity": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/cvss/severity#"
},
"@id": "https://www.variotdbs.pl/ref/cvss/severity"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
},
"@id": "https://www.variotdbs.pl/ref/sources"
}
},
"data": [
{
"cvssV2": [
{
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"author": "nvd@nist.gov",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"exploitabilityScore": 10.0,
"id": "CVE-2021-29294",
"impactScore": 2.9,
"integrityImpact": "NONE",
"severity": "MEDIUM",
"trust": 1.9,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
{
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"author": "CNVD",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"exploitabilityScore": 10.0,
"id": "CNVD-2021-63769",
"impactScore": 2.9,
"integrityImpact": "NONE",
"severity": "MEDIUM",
"trust": 0.6,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
}
],
"cvssV3": [
{
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"author": "nvd@nist.gov",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"exploitabilityScore": 3.9,
"id": "CVE-2021-29294",
"impactScore": 3.6,
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"trust": 1.0,
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
{
"attackComplexity": "Low",
"attackVector": "Network",
"author": "NVD",
"availabilityImpact": "High",
"baseScore": 7.5,
"baseSeverity": "High",
"confidentialityImpact": "None",
"exploitabilityScore": null,
"id": "CVE-2021-29294",
"impactScore": null,
"integrityImpact": "None",
"privilegesRequired": "None",
"scope": "Unchanged",
"trust": 0.8,
"userInteraction": "None",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
}
],
"severity": [
{
"author": "nvd@nist.gov",
"id": "CVE-2021-29294",
"trust": 1.0,
"value": "HIGH"
},
{
"author": "NVD",
"id": "CVE-2021-29294",
"trust": 0.8,
"value": "High"
},
{
"author": "CNVD",
"id": "CNVD-2021-63769",
"trust": 0.6,
"value": "MEDIUM"
},
{
"author": "CNNVD",
"id": "CNNVD-202108-1023",
"trust": 0.6,
"value": "HIGH"
},
{
"author": "VULMON",
"id": "CVE-2021-29294",
"trust": 0.1,
"value": "MEDIUM"
}
]
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-63769"
},
{
"db": "VULMON",
"id": "CVE-2021-29294"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-010718"
},
{
"db": "CNNVD",
"id": "CNNVD-202108-1023"
},
{
"db": "NVD",
"id": "CVE-2021-29294"
}
]
},
"description": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/description#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "Null Pointer Dereference vulnerability exists in D-Link DSL-2740R UK_1.01, which could let a remove malicious user cause a denial of service via the send_hnap_unauthorized function. It could be triggered by sending crafted POST request to /HNAP1/. NOTE: The DSL-2740R and all hardware revisions are considered End of Life and as such this issue will not be patched. ** Not supported ** This is a vulnerability in an unsupported product. D-Link DSL-2740R for, NULL There is a vulnerability in pointer dereference.Service operation interruption (DoS) It may be in a state. D-Link DSL-2740R is a high-performance ADSL router from D-Link in Taiwan. \n\r\n\r\nD-Link DSL-2740R UK 1.01 has a security vulnerability, which can be exploited by an attacker to cause a denial of service of related devices",
"sources": [
{
"db": "NVD",
"id": "CVE-2021-29294"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-010718"
},
{
"db": "CNVD",
"id": "CNVD-2021-63769"
},
{
"db": "VULMON",
"id": "CVE-2021-29294"
}
],
"trust": 2.25
},
"external_ids": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/external_ids#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"db": "NVD",
"id": "CVE-2021-29294",
"trust": 3.9
},
{
"db": "DLINK",
"id": "SAP10213",
"trust": 1.7
},
{
"db": "JVNDB",
"id": "JVNDB-2021-010718",
"trust": 0.8
},
{
"db": "CNVD",
"id": "CNVD-2021-63769",
"trust": 0.6
},
{
"db": "CNNVD",
"id": "CNNVD-202108-1023",
"trust": 0.6
},
{
"db": "VULMON",
"id": "CVE-2021-29294",
"trust": 0.1
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-63769"
},
{
"db": "VULMON",
"id": "CVE-2021-29294"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-010718"
},
{
"db": "CNNVD",
"id": "CNNVD-202108-1023"
},
{
"db": "NVD",
"id": "CVE-2021-29294"
}
]
},
"id": "VAR-202108-0935",
"iot": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/iot#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": true,
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-63769"
}
],
"trust": 1.4125
},
"iot_taxonomy": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/iot_taxonomy#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"category": [
"Network device"
],
"sub_category": null,
"trust": 0.6
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-63769"
}
]
},
"last_update_date": "2024-08-14T15:37:59.224000Z",
"patch": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/patch#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"title": "",
"trust": 0.8,
"url": "https://www.dlink.com/en/security-bulletin"
},
{
"title": "Patch for D-Link DSL-2740R code issue vulnerability",
"trust": 0.6,
"url": "https://www.cnvd.org.cn/patchInfo/show/287211"
},
{
"title": "D-Link DSL-2740R Security vulnerabilities",
"trust": 0.6,
"url": "http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159399"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-63769"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-010718"
},
{
"db": "CNNVD",
"id": "CNNVD-202108-1023"
}
]
},
"problemtype_data": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"problemtype": "CWE-476",
"trust": 1.0
},
{
"problemtype": "NULL Pointer dereference (CWE-476) [NVD evaluation ]",
"trust": 0.8
}
],
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2021-010718"
},
{
"db": "NVD",
"id": "CVE-2021-29294"
}
]
},
"references": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/references#",
"data": {
"@container": "@list"
},
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": [
{
"trust": 1.7,
"url": "https://www.dlink.com/en/security-bulletin/"
},
{
"trust": 1.7,
"url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10213"
},
{
"trust": 1.4,
"url": "https://nvd.nist.gov/vuln/detail/cve-2021-29294"
},
{
"trust": 0.1,
"url": "https://cwe.mitre.org/data/definitions/476.html"
},
{
"trust": 0.1,
"url": "https://nvd.nist.gov"
}
],
"sources": [
{
"db": "CNVD",
"id": "CNVD-2021-63769"
},
{
"db": "VULMON",
"id": "CVE-2021-29294"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-010718"
},
{
"db": "CNNVD",
"id": "CNNVD-202108-1023"
},
{
"db": "NVD",
"id": "CVE-2021-29294"
}
]
},
"sources": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#",
"data": {
"@container": "@list"
}
},
"data": [
{
"db": "CNVD",
"id": "CNVD-2021-63769"
},
{
"db": "VULMON",
"id": "CVE-2021-29294"
},
{
"db": "JVNDB",
"id": "JVNDB-2021-010718"
},
{
"db": "CNNVD",
"id": "CNNVD-202108-1023"
},
{
"db": "NVD",
"id": "CVE-2021-29294"
}
]
},
"sources_release_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2021-08-21T00:00:00",
"db": "CNVD",
"id": "CNVD-2021-63769"
},
{
"date": "2021-08-10T00:00:00",
"db": "VULMON",
"id": "CVE-2021-29294"
},
{
"date": "2022-07-07T00:00:00",
"db": "JVNDB",
"id": "JVNDB-2021-010718"
},
{
"date": "2021-08-10T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202108-1023"
},
{
"date": "2021-08-10T20:15:08.457000",
"db": "NVD",
"id": "CVE-2021-29294"
}
]
},
"sources_update_date": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
"data": {
"@container": "@list"
}
},
"data": [
{
"date": "2021-08-21T00:00:00",
"db": "CNVD",
"id": "CNVD-2021-63769"
},
{
"date": "2021-08-17T00:00:00",
"db": "VULMON",
"id": "CVE-2021-29294"
},
{
"date": "2022-07-07T02:53:00",
"db": "JVNDB",
"id": "JVNDB-2021-010718"
},
{
"date": "2021-08-18T00:00:00",
"db": "CNNVD",
"id": "CNNVD-202108-1023"
},
{
"date": "2024-08-03T22:15:39.750000",
"db": "NVD",
"id": "CVE-2021-29294"
}
]
},
"threat_type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/threat_type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "remote",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202108-1023"
}
],
"trust": 0.6
},
"title": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/title#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "D-Link\u00a0DSL-2740R\u00a0 In \u00a0NULL\u00a0 Pointer dereference vulnerability",
"sources": [
{
"db": "JVNDB",
"id": "JVNDB-2021-010718"
}
],
"trust": 0.8
},
"type": {
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/type#",
"sources": {
"@container": "@list",
"@context": {
"@vocab": "https://www.variotdbs.pl/ref/sources#"
}
}
},
"data": "code problem",
"sources": [
{
"db": "CNNVD",
"id": "CNNVD-202108-1023"
}
],
"trust": 0.6
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…