CVE-2025-1048: Sonos Era 300 Speaker libsmb2 Use-After-Free Remote Code Execution Vulnerability

Q: How do I fix CVE-2025-1048?

s1: upgrade to 57.22-61162; s2: upgrade to 83.1-61240. Exact commands for each OS are on this page.

Q: Is CVE-2025-1048 being exploited?

CVE-2025-1048 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-1048 affect?

CVE-2025-1048 affects s1, s2. Severity is high (CVSS 8.8). 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 requ

This month

HIGH 8.8UPGRADEUPGRADE

CVE-2025-1048 is a high-severity flaw (CVSS 8.8) affecting s1, s2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 ob

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 54%)
CISA exploited list	No
Weakness	CWE-416
Published	2025-04-23
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: sonos

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-23 17:16 UTCPublished CVE record published
2026-06-17 08:38 UTCUpdated Record last modified

sonos s1 UPGRADE

Affected: < 57.22-61162

Fixed in: 57.22-61162

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy s1 || rpm -q s1 || s1 --version

2. UPGRADE to 57.22-61162 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade s1

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade s1

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

sonos s2 UPGRADE

Affected: < 83.1-61240

Fixed in: 83.1-61240

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy s2 || rpm -q s2 || s2 --version

2. UPGRADE to 83.1-61240 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade s2

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade s2

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-1048?

s1: upgrade to 57.22-61162; s2: upgrade to 83.1-61240. Exact commands for each OS are on this page.

Is CVE-2025-1048 being exploited?

CVE-2025-1048 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-1048 affect?

CVE-2025-1048 affects s1, s2. Severity is high (CVSS 8.8). 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 requ

How urgent is CVE-2025-1048?

Priority 42/100. High severity

Related CVEs

CVE-2025-1049 HIGH 8.8 UPGRADE UPGRADE Sonos Era 300 Heap-based Buffer Overflow Remote Code Execution Vulnerability

References

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