CVE-2024-40495 - Vulnerability Details - OpenCVE

Description

A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function.

Published: 2024-07-24

Score: 8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:linksys:e2500_firmware:2.0.00:*:*:*:*:*:*:*

cpe:2.3:h:linksys:e2500:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2024-38482	A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function.

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00218.

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
http://e2500.com
http://linksys.com
https://github.com/iotaMing/IOT-CVE/blob/master/Linksys/CVE-2024-40495/CVE-2024-40495.pdf

History

Fri, 02 Jan 2026 20:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Linksys e2500
CPEs		cpe:2.3:h:linksys:e2500:-:::::::*
Vendors & Products		Linksys e2500

Thu, 13 Mar 2025 14:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-94

Subscriptions

Linksys E2500 E2500 Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2024-07-24T00:00:00.000Z

Updated: 2025-03-13T14:05:38.521Z

Reserved: 2024-07-05T00:00:00.000Z

Link: CVE-2024-40495

Vulnrichment

Updated: 2024-08-02T04:33:11.678Z

NVD

Status : Analyzed

Published: 2024-07-24T19:15:04.693

Modified: 2026-01-02T20:21:07.743

Link: CVE-2024-40495

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-94

{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-40495", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-03-13T14:05:38.521Z", "dateReserved": "2024-07-05T00:00:00.000Z", "datePublished": "2024-07-24T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-07-24T18:09:09.011Z"}, "descriptions": [{"lang": "en", "value": "A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "http://linksys.com"}, {"url": "http://e2500.com"}, {"url": "https://github.com/iotaMing/IOT-CVE/blob/master/Linksys/CVE-2024-40495/CVE-2024-40495.pdf"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-94", "lang": "en", "description": "CWE-94 Improper Control of Generation of Code ('Code Injection')"}]}], "affected": [{"vendor": "linksys", "product": "e2500_firmware", "cpes": ["cpe:2.3:o:linksys:e2500_firmware:2.0.00:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "2.0.00", "status": "affected"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-07-24T19:34:25.566135Z", "id": "CVE-2024-40495", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-13T14:05:38.521Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:33:11.678Z"}, "title": "CVE Program Container", "references": [{"url": "http://linksys.com", "tags": ["x_transferred"]}, {"url": "http://e2500.com", "tags": ["x_transferred"]}, {"url": "https://github.com/iotaMing/IOT-CVE/blob/master/Linksys/CVE-2024-40495/CVE-2024-40495.pdf", "tags": ["x_transferred"]}]}]}, "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "http://linksys.com", "tags": ["x_transferred"]}, {"url": "http://e2500.com", "tags": ["x_transferred"]}, {"url": "https://github.com/iotaMing/IOT-CVE/blob/master/Linksys/CVE-2024-40495/CVE-2024-40495.pdf", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:33:11.678Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-40495", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-07-24T19:34:25.566135Z"}}}], "affected": [{"cpes": ["cpe:2.3:o:linksys:e2500_firmware:2.0.00:*:*:*:*:*:*:*"], "vendor": "linksys", "product": "e2500_firmware", "versions": [{"status": "affected", "version": "2.0.00"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-94", "description": "CWE-94 Improper Control of Generation of Code ('Code Injection')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-07-24T19:36:17.815Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "http://linksys.com"}, {"url": "http://e2500.com"}, {"url": "https://github.com/iotaMing/IOT-CVE/blob/master/Linksys/CVE-2024-40495/CVE-2024-40495.pdf"}], "descriptions": [{"lang": "en", "value": "A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-07-24T18:09:09.011Z"}}}, "cveMetadata": {"cveId": "CVE-2024-40495", "state": "PUBLISHED", "dateUpdated": "2025-03-13T14:05:38.521Z", "dateReserved": "2024-07-05T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2024-07-24T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linksys:e2500_firmware:2.0.00:*:*:*:*:*:*:*", "matchCriteriaId": "9D5D96E0-58D0-4DB0-BFCE-0CC424855603", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:linksys:e2500:-:*:*:*:*:*:*:*", "matchCriteriaId": "D37D6660-2A10-44A6-8CAF-F5BC5F6C476E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function."}, {"lang": "es", "value": "Se descubri\u00f3 una vulnerabilidad en Linksys Router E2500 con firmware 2.0.00, que permite a atacantes autenticados ejecutar c\u00f3digo arbitrario a trav\u00e9s de la funci\u00f3n hnd_parentalctrl_unblock."}], "id": "CVE-2024-40495", "lastModified": "2026-01-02T20:21:07.743", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-07-24T19:15:04.693", "references": [{"source": "cve@mitre.org", "tags": ["Broken Link", "Not Applicable"], "url": "http://e2500.com"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "http://linksys.com"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/iotaMing/IOT-CVE/blob/master/Linksys/CVE-2024-40495/CVE-2024-40495.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link", "Not Applicable"], "url": "http://e2500.com"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "http://linksys.com"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/iotaMing/IOT-CVE/blob/master/Linksys/CVE-2024-40495/CVE-2024-40495.pdf"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}