VDB-304314 · CVE-2025-1048 · GCVE-0-2025-1048

Sonos Era 300 libsmb2 use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.6	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Sonos Era 300. Affected is an unknown function of the component libsmb2. The manipulation results in use after free. This vulnerability is cataloged as CVE-2025-1048. The attack must originate from the local network. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Sonos Era 300 (the affected version unknown). It has been classified as critical. Affected is an unknown part of the component libsmb2. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Sonos Era 300 Speaker libsmb2 Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos Era 300 speakers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of SMB data. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the anacapa user. Was ZDI-CAN-25535.

The advisory is available at zerodayinitiative.com. This vulnerability is traded as CVE-2025-1048 since 02/04/2025. The exploitability is told to be easy. The attack needs to be done within the local network. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Sonos

Name

Era 300

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/04/2025 🔍
04/10/2025 +64 days 🔍
04/10/2025 +0 days 🔍
08/26/2025 +138 days 🔍

Sourcesinfo

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2025-1048 (🔍)
GCVE (CVE): GCVE-0-2025-1048
GCVE (VulDB): GCVE-100-304314

Entryinfo

Created: 04/10/2025 04:03
Updated: 08/26/2025 04:04
Changes: 04/10/2025 04:03 (51), 08/26/2025 04:04 (12)
Complete: 🔍
Cache ID: 216::103