CVE-2025-1051 Sonos Era 300 Heap-based Buffer Overflow Remote Code Execution Vulnerability

High 8.8 Published Updated

Network-adjacent attackers can execute arbitrary code on Sonos Era 300 speakers via a heap-based buffer overflow in ALAC data processing without authentication.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-1051?

CVE-2025-1051 is a high-severity memory corruption vulnerability in Sonos Era 300, published on 2 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Sonos Era 300 Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Sonos Era 300 speakers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the processing of ALAC data. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the anacapa user. Was ZDI-CAN-25865.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2025-1051?

It affects 1 product.

Products include Sonos Era 300 Firmware.

How do I fix CVE-2025-1051?

No fix has been published for CVE-2025-1051 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-1051 being exploited?

There is no known exploitation of CVE-2025-1051 in the wild and no public exploit code.

Sources

Also known as GHSA-jv3c-qh2g-5f2r.

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