CVE-2025-1051: era 300 Heap Overflow (CVSS 8.8)

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-122 CWE-122

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
sonos	era_300_firmware	All
sonos	era_300	All

References

Other References

https://www.zerodayinitiative.com/advisories/ZDI-25-311/

Frequently Asked Questions

What is CVE-2025-1051? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-1051? +

CVE-2025-1051 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-1051? +

CVE-2025-1051 affects products from sonos, specifically: era_300, era_300_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-1051? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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