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CVE-2007-5729: The NE2000 emulator in QEMU 0.8.2 allows local users to execute arbitrary code by writing Ethernet frames w...

The NE2000 emulator in QEMU 0.8.2 allows local users to execute arbitrary code by writing Ethernet frames with a size larger than the MTU to the EN0_TCNT register, which triggers a heap-based buffer overflow in the slirp library, aka NE2000 "mtu" heap overflow. NOTE: some sources have used CVE-2007-1321 to refer to this issue as part of "NE2000 network driver and the socket code," but this is the correct identifier for the mtu overflow vulnerability.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2007-5729 is an old QEMU NE2000 network emulation flaw. A local user with access to the vulnerable networking path could trigger a heap buffer overflow and potentially run arbitrary code. The bundle does not provide CVSS, complete affected product metadata, or evidence of active exploitation. Exposure is most likely in legacy QEMU deployments or old distribution packages using NE2000 emulation with slirp networking. The source bundle does not identify modern affected versions, CPEs, internet exposure, or cloud-provider impact. Prioritize investigation where legacy virtualization remains in production. Business urgency depends on whether old QEMU packages are still used; without that exposure, this is mainly a legacy hygiene issue rather than an immediate internet-facing emergency. Mitigation focus: Inventory QEMU versions and configurations using NE2000 emulation or slirp networking.; Check Debian, Mandriva, SUSE, and current vendor advisories for fixed packages.; Prioritize replacing QEMU 0.8.2-era packages with supported maintained builds..

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Potential ATT&CK relevance

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CVE-2007-5729 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

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