Out-of-bounds read in the NetX Duo SNMP OID parser via a multi-byte BER length
Priority MEDIUM 44CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
In Eclipse ThreadX NetX Duo versions up to and including 6.5.2.202603, the SNMP agent's OID parser uses a multi-byte BER length from the request without checking it against the bytes present, and reads past the end of the packet buffer. A remote, unauthenticated attacker can send a crafted SNMP request that makes the agent read adjacent memory into its OID state, faulting the agent on targets with memory protection.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00322 25th percentileScored 2026-11-07
Fix Fixed Eclipse ThreadX NetX Duo (Eclipse Foundation): 6.5.2.202603a
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| Eclipse Foundation | Eclipse ThreadX NetX Duo | up to 6.5.2.202603 | 6.5.2.202603a | Patch available | CNA |
- Eclipse ThreadX NetX Duo VendorEclipse Foundation Affected up to 6.5.2.202603 Fixed in 6.5.2.202603a Patch available CNA
Remediation
- Fix · CNA Eclipse ThreadX NetX Duo (Eclipse Foundation) Fixed in 6.5.2.202603a
Timeline
- 2026-10-02 Threatist record created from CVE-2026-102718
- 2026-10-03 Alias added: GHSA-vhx3-6gpg-5fjw
- 2026-11-04 Title updated · CNA
- 2026-11-04 Weakness changed · CNA
- 2026-11-04 Fix available: Eclipse Foundation/Eclipse ThreadX NetX [email protected] · CNA
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Sources
- CVE-2026-102718 · CVE Program
- CVE-2026-102718 · NVD
- FIRST EPSS
- GHSA-vhx3-6gpg-5fjw · GitHub Advisory Database · CC BY 4.0
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