CVE-2023-1083

CRITICALNVD 9.89.8—

9.8

An unauthenticated remote attacker who is aware of a MQTT topic name can send and receive messages, including GET/SET configuration commands, reboot commands and firmware updates.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 63.7%
KEV: Not listed

Published

April 9, 2024

Last Modified

April 15, 2026

Advisory Details (1)

Auto-updated May 3, 2026

No patch confirmed yet.

generic

Welotec: Two vulnerabilities in TK500v1 router series

https://cert.vde.com/en/advisories/VDE-2024-009

Weakness Classification(1)

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

CWE-306Missing Authentication for Critical Function

Data Freshness Timeline

(refreshed 8× 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.

2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2023-1083?

CVE-2023-1083 is a critical vulnerability published on April 9, 2024. An unauthenticated remote attacker who is aware of a MQTT topic name can send and receive messages, including GET/SET configuration commands, reboot commands and firmware updates.

When was CVE-2023-1083 disclosed?

CVE-2023-1083 was first published in the National Vulnerability Database on April 9, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-1083 actively exploited?

CVE-2023-1083 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-1083?

CVE-2023-1083 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-1083?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-1083, 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-2023-1083

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Welotec: Two vulnerabilities in TK500v1 router series

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-1083?

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Advisory Details (1)

Frequently asked(5)

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