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TI-2024-04880 Aliases CVE-2024-5256GHSA-w7jv-2m3j-wrm2

Integer underflow in Sonos Era 100

Priority LOW 20CWE-191Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Sonos Era 100 SMB2 Message Handling Integer Underflow Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sonos Era 100 smart speakers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SMB2 messages. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before reading from memory. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-22336.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00419 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SonosEra 10015.9 (build 75146030)—No fix listedCNA
  • Era 100 VendorSonos Affected 15.9 (build 75146030) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:sonos:era_100_firmware:15.9:*:*:*:*:*:*:*15.9VulnerableSonos
cpe:2.3:h:sonos:era_100:*:*:*:*:*:*:*:*all versionsRunning onSonos
  • cpe:2.3:o:sonos:era_100_firmware:15.9:*:*:*:*:*:*:* Versions 15.9 Vulnerable ·Sonos
  • cpe:2.3:h:sonos:era_100:*:*:*:*:*:*:*:* Versions all versions Running on ·Sonos

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-5256
  2. 2026-10-03 Alias added: GHSA-w7jv-2m3j-wrm2

References

Advisory 1

  • TI-2024-04893 Use after free in Sonos Era 100 CVSS 3.1HIGH 8.8
  • TI-2024-04891 Out-of-bounds write in Sonos Era 100 CVSS 3.1HIGH 8.8
  • TI-2024-04892 Out-of-bounds read in Sonos Era 100 CVSS 3.1MEDIUM 6.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences