CVE-2021-3708

View on CVE.org

Published Aug 16, 2021 CVSS 3.1 · 7.8 High EPSS 24.6% KEV · Not listed

Description

D-Link router DSL-2750U with firmware vME1.16 or prior versions is vulnerable to OS command injection. An unauthenticated attacker on the local network may exploit this, with CVE-2021-3707, to execute any OS commands on the vulnerable device.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

D-Link

DSL-2750U

affected

Version	Status	Constraints
`firmware vME1.16 or prior versions`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:dlink:dsl-2750u_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:dlink:dsl-2750u:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: 24.6% (24.563% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20%28firmware%20version%201.6%29/README.md
https://jvn.jp/en/vu/JVNVU92088210/
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10230

History

No history.

Subscriptions

Dlink Dsl-2750u Dsl-2750u Firmware

Weaknesses

CWE-78

Sources

CVE record Updated: Aug 3, 2024, 5:01 PM

Status: PUBLISHED
Assigner: jpcert
Published: Aug 16, 2021, 4:55 AM
Updated: Aug 3, 2024, 5:01 PM
Reserved: Aug 15, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:05 AM

Status: Modified
Published: Aug 16, 2021, 5:15 AM
Modified: Jun 17, 2026, 4:05 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "DSL-2750U", "vendor": "D-Link", "versions": [{"status": "affected", "version": "firmware vME1.16 or prior versions"}]}], "descriptions": [{"lang": "en", "value": "D-Link router DSL-2750U with firmware vME1.16 or prior versions is vulnerable to OS command injection. An unauthenticated attacker on the local network may exploit this, with CVE-2021-3707, to execute any OS commands on the vulnerable device."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-08-16T04:55:13.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20%28firmware%20version%201.6%29/README.md"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10230"}, {"name": "JVNVU#92088210: Multiple vulnerabilities in D-Link router DSL-2750U", "tags": ["third-party-advisory", "x_refsource_JVN"], "url": "https://jvn.jp/en/vu/JVNVU92088210/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2021-3708", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "DSL-2750U", "version": {"version_data": [{"version_value": "firmware vME1.16 or prior versions"}]}}]}, "vendor_name": "D-Link"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "D-Link router DSL-2750U with firmware vME1.16 or prior versions is vulnerable to OS command injection. An unauthenticated attacker on the local network may exploit this, with CVE-2021-3707, to execute any OS commands on the vulnerable device."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}]}, "references": {"reference_data": [{"name": "https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20(firmware%20version%201.6)/README.md", "refsource": "MISC", "url": "https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20(firmware%20version%201.6)/README.md"}, {"name": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10230", "refsource": "CONFIRM", "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10230"}, {"name": "JVNVU#92088210: Multiple vulnerabilities in D-Link router DSL-2750U", "refsource": "JVN", "url": "https://jvn.jp/en/vu/JVNVU92088210/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:01:07.839Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20%28firmware%20version%201.6%29/README.md"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10230"}, {"name": "JVNVU#92088210: Multiple vulnerabilities in D-Link router DSL-2750U", "tags": ["third-party-advisory", "x_refsource_JVN", "x_transferred"], "url": "https://jvn.jp/en/vu/JVNVU92088210/"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2021-3708", "datePublished": "2021-08-16T04:55:13.000Z", "dateReserved": "2021-08-15T00:00:00.000Z", "dateUpdated": "2024-08-03T17:01:07.839Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "DSL-2750U", "vendor": "D-Link", "versions": [{"status": "affected", "version": "firmware vME1.16 or prior versions"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dsl-2750u_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "51C13A6D-7BD6-452B-9810-1248592A7A77", "versionEndIncluding": "1.16", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dsl-2750u:-:*:*:*:*:*:*:*", "matchCriteriaId": "E5A7A48A-C126-4EF2-91F8-A8D9987525FF", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "D-Link router DSL-2750U with firmware vME1.16 or prior versions is vulnerable to OS command injection. An unauthenticated attacker on the local network may exploit this, with CVE-2021-3707, to execute any OS commands on the vulnerable device."}, {"lang": "es", "value": "El router D-Link DSL-2750U con versiones de firmware vME1.16 o versiones anteriores, es vulnerable a una inyecci\u00f3n de comandos del SO. Un atacante no autenticado en la red local puede explotar esto, con CVE-2021-3707, para ejecutar cualquier comando del Sistema Operativo en el dispositivo vulnerable."}], "id": "CVE-2021-3708", "lastModified": "2026-06-17T04:05:36.053", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-16T05:15:06.377", "references": [{"source": "vultures@jpcert.or.jp", "url": "https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20%28firmware%20version%201.6%29/README.md"}, {"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/vu/JVNVU92088210/"}, {"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10230"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://github.com/HadiMed/firmware-analysis/blob/main/DSL-2750U%20%28firmware%20version%201.6%29/README.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/vu/JVNVU92088210/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10230"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "vultures@jpcert.or.jp", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}