CVE-2023-47166 Missing authorization in UR32L

High 8.8 Published Updated

An unauthenticated attacker can send a crafted network request to the Milesight UR32L to perform an arbitrary firmware update, leading to full device compromise.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-47166?

CVE-2023-47166 is a high-severity missing authorization vulnerability in Milesight Ur32l Firmware, published on 1 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A firmware update vulnerability exists in the luci2-io file-import functionality of Milesight UR32L v32.3.0.7-r2. A specially crafted network request can lead to arbitrary firmware update. An attacker can send a network request to trigger this vulnerability.

Weakness: CWE-306, CWE-285

Which versions are affected by CVE-2023-47166?

It affects 1 product.

Products include Milesight Ur32l Firmware.

How do I fix CVE-2023-47166?

No fix has been published for CVE-2023-47166 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-47166 being exploited?

There is no known exploitation of CVE-2023-47166 in the wild and no public exploit code.

All Milesight Ur32l Firmware vulnerabilities

Sources

Also known as GHSA-963g-qffh-rx88.

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