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Denial-of-Service Vulnerability in Intelbras Cameras Affects Millions

Denial-of-Service Vulnerability in Intelbras Cameras Affects Millions

First seen 28 Oct 2026, 17:10 UTC • •
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ThreatCluster AI
ThreatCluster •October 28, 2026 at 18:11 UTC
  • •A denial-of-service vulnerability affects millions of Intelbras IP cameras.
  • •The flaw allows devices to be taken offline via unauthenticated requests on local networks.
  • •Intelbras has released a patch; users should update their firmware immediately.

Kaspersky's Global Research and Analysis Team (GReAT) identified a denial-of-service vulnerability in Intelbras IP camera systems, impacting millions of devices, primarily in Latin America. The flaw allows unauthorized users on the local Wi-Fi network to send requests that can knock cameras offline temporarily or indefinitely. The vulnerable firmware has been downloaded over 4 million times, affecting models including iM3B-C, iMX C, iM4 C, iM5 SC, iME 360 C, and iM7+ FC. Intelbras has released a patch and updated firmware to address the issue, which was classified as a Medium severity vulnerability with a CVSS score of 5.1. Users are advised to check their firmware versions and update to the latest release to mitigate risks. The vulnerability was reported to Intelbras, which responded promptly to remediate the issue.

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Timeline

2026-10-28
Vulnerability disclosed
Kaspersky GReAT reported a denial-of-service vulnerability in Intelbras IP cameras affecting millions of devices.
Kaspersky
2026-10-28
Patch released
Intelbras released updated firmware to fix the vulnerability after being notified by Kaspersky.
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Common questions

Which camera models are affected?
The vulnerability affects Intelbras models iM3B-C, iMX C, iM4 C, iM5 SC, iME 360 C, and iM7+ FC.
What should users do?
Users should verify their firmware version and update to the latest release to mitigate the vulnerability.
Is the vulnerability actively exploited?
No confirmed active exploitation has been reported; the vulnerability has been disclosed and patched.