CVE-2024-40495

HIGHNVD 8.08.0—

8.0

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.

CVSS v3: 8.0
EG Score: 8.0(medium)
EPSS: 44.5%
KEV: Not listed

Published

July 24, 2024

Last Modified

January 2, 2026

References (6)

cve@mitrehttp://e2500.com
cve@mitrehttp://linksys.com
cve@mitrehttps://github.com/iotaMing/IOT-CVE/blob/master/Linksys/CVE-2024-40495/CVE-2024-40495.pdf
af854a3a-2127-422b-91ae-364da2661108http://e2500.com
af854a3a-2127-422b-91ae-364da2661108http://linksys.com
af854a3a-2127-422b-91ae-364da2661108https://github.com/iotaMing/IOT-CVE/blob/master/Linksys/CVE-2024-40495/CVE-2024-40495.pdf

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:16 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:16 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2024-40495?

CVE-2024-40495 is a high vulnerability published on July 24, 2024. A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hndparentalctrlunblock function.

When was CVE-2024-40495 disclosed?

CVE-2024-40495 was first published in the National Vulnerability Database on July 24, 2024, with the most recent update on January 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-40495 actively exploited?

CVE-2024-40495 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 44.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-40495?

CVE-2024-40495 has a CVSS v3 base score of 8.0 (NVD).

How do I remediate CVE-2024-40495?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-40495, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-40495

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-40495?

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Published

Last Modified

References (6)

Frequently asked(5)

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