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CVE-2025-2837

Published: Mar 26, 2025Updated: Aug 8, 2025 Sources: CVE List NVDCWE-121
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.5%
Top 63.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

Silicon Labs Gecko OS HTTP Request Handling Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Silicon Labs Gecko OS. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HTTP requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-23245.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-121

Affected Products

gecko ossilabs
Embedded
Hardware Firmware / cpu-gpu
Gecko OSSilicon Labs
Embedded
Operating Systems / rtos-embedded-os
silabscommercialUSHardware Firmwareaka silicon labs, gecko sdk, z-wave sdk, emberznet
silicon labscommercialUSOperating Systemsaka gecko platform, gecko os, 500 series

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://community.silabs.com/a45Vm0000000Atp
community.silabs.com
https://www.zerodayinitiative.com/advisories/ZDI-24-871/
zerodayinitiative.com

Timeline

Published
Mar 26, 2025
Last Updated
Aug 8, 2025

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