CVE-2024-31809

HIGHNVD 8.88.8—Elevated

8.8

TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution (RCE) vulnerability via the FileName parameter in the setUpgradeFW function.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 73.0%
KEV: Not listed

Published

April 8, 2024

Last Modified

March 18, 2025

References (2)

cve@mitrehttps://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/CI_4_setUpgradeFW/CI.md
af854a3a-2127-422b-91ae-364da2661108https://github.com/4hsien/CVE-vulns/blob/main/TOTOLINK/EX200/CI_4_setUpgradeFW/CI.md

Weakness Classification(1)

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

CWE-75

Data Freshness Timeline

(refreshed 14× in last 7d / 20× 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
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Frequently asked(5)

What is CVE-2024-31809?

CVE-2024-31809 is a high vulnerability published on April 8, 2024. TOTOLINK EX200 V4.0.3c.7646_B20201211 was discovered to contain a remote code execution (RCE) vulnerability via the FileName parameter in the setUpgradeFW function.

When was CVE-2024-31809 disclosed?

CVE-2024-31809 was first published in the National Vulnerability Database on April 8, 2024, with the most recent update on March 18, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-31809 actively exploited?

CVE-2024-31809 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-31809?

CVE-2024-31809 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2024-31809?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-31809, 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-2024-31809

📅 Published

🔄 Last Modified

🔗 References (2)