CVE-2024-40503

MEDIUMNVD 6.56.5—Elevated

6.5

An issue in Tenda AX12 v.16.03.49.18_cn+ allows a remote attacker to cause a denial of service via the Routing functionality and ICMP packet handling.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 76.2%
KEV: Not listed

Published

July 16, 2024

Last Modified

July 7, 2025

References (2)

cve@mitrehttps://gist.github.com/Mivik/8927ad100a638756e1fe214dd5fca5f9
af854a3a-2127-422b-91ae-364da2661108https://gist.github.com/Mivik/8927ad100a638756e1fe214dd5fca5f9

Weakness Classification(1)

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

CWE-940

Data Freshness Timeline

(refreshed 9× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-23 22:08 UTCEG score recompute
2026-05-23 22:08 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2024-40503?

CVE-2024-40503 is a medium vulnerability published on July 16, 2024. An issue in Tenda AX12 v.16.03.49.18_cn+ allows a remote attacker to cause a denial of service via the Routing functionality and ICMP packet handling.

When was CVE-2024-40503 disclosed?

CVE-2024-40503 was first published in the National Vulnerability Database on July 16, 2024, with the most recent update on July 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-40503 actively exploited?

CVE-2024-40503 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-40503?

CVE-2024-40503 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2024-40503?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-40503, 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-2024-40503

📅 Published

🔄 Last Modified

🔗 References (2)