Out-of-bounds read in silabs.com Gecko Platform
Priority LOW 28CWE-126Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-126 and the CVSS impact.
Summary
A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv6 ICMPv6 packet.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00811 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| silabs.com | Gecko Platform | 4.3.1.0 | — | No fix listed | CNA |
| Weston Embedded | uC-TCP-IP | v3.06.01 | — | No fix listed | CNA |
- Gecko Platform Vendorsilabs.com Affected 4.3.1.0 Fixed in — No fix listed CNA
- uC-TCP-IP VendorWeston Embedded Affected v3.06.01 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:weston-embedded:uc-tcp-ip:3.06.01:*:*:*:*:*:*:* | 3.06.01 | Vulnerable | Weston Embedded |
- cpe:2.3:a:weston-embedded:uc-tcp-ip:3.06.01:*:*:*:*:*:*:* Versions 3.06.01 Vulnerable ·Weston Embedded
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-39541
- 2026-10-03 Alias added: GHSA-4mgv-g5j9-fr8q
References
More silabs.com vulnerabilities
- TI-2023-24288 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 10.0
- TI-2023-14952 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2023-12925 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2023-12476 Heap-based buffer overflow in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
- TI-2022-08744 Heap-based buffer overflow in MicriumOS HTTP Server allows potential remote code execution CVSS 3.1CRITICAL 9.8
- TI-2023-12937 Memory corruption in silabs.com Gecko Platform CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-39541 · CVE Program
- CVE-2023-39541 · NVD
- FIRST EPSS
- GHSA-4mgv-g5j9-fr8q · GitHub Advisory Database · CC BY 4.0
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