CVE Explorer

CVE-2025-70616

A stack buffer overflow vulnerability exists in the Wincor Nixdorf wnBios64.sys kernel driver (version 1.2.0.0) in the IOCTL handler for code 0x80102058. The vulnerability is caused by missing bounds checking on the user-controlled Options parameter before copying data into a 40-byte stack buffer (Src[40]) using memmove. An attacker with local access can exploit this vulnerability by sending a crafted IOCTL request with Options > 40, causing a stack buffer overflow that may lead to kernel code e

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:139d2bfa2d1748649cd38d0f22829dc72d83daf0304d7bb26373db7f7161b40a

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"description":"n/a","lang":"en","type":"text"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5271c20a7a1adaeca020f3fdf019ad5f49bf4a8b9e9bccf07b661e265b8d7426 · sha256:ee5a1670046362c5… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5271c20a7a1adaeca020f3fdf019ad5f49bf4a8b9e9bccf07b661e265b8d7426 · sha256:ee5a1670046362c5… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion

{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5271c20a7a1adaeca020f3fdf019ad5f49bf4a8b9e9bccf07b661e265b8d7426 · sha256:ee5a1670046362c5… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:5271c20a7a1adaeca020f3fdf019ad5f49bf4a8b9e9bccf07b661e265b8d7426 · sha256:ee5a1670046362c5… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions

{"description":"n/a","lang":"en","type":"text"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5271c20a7a1adaeca020f3fdf019ad5f49bf4a8b9e9bccf07b661e265b8d7426 · sha256:ee5a1670046362c5… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-121","description":"CWE-121 Stack-based Buffer Overflow","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5271c20a7a1adaeca020f3fdf019ad5f49bf4a8b9e9bccf07b661e265b8d7426 · sha256:ee5a1670046362c5… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://github.com/250wuyifan/wnBios64-CVE"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5271c20a7a1adaeca020f3fdf019ad5f49bf4a8b9e9bccf07b661e265b8d7426 · sha256:ee5a1670046362c5… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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