Buffer overflow in Belden Garrettcom_magnum_dx940e

CVE-2019-12256

Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. There is an IPNET security vulnerability: Stack overflow in the parsing of IPv4 packets’ IP options.

Vulnerability class: Buffer Overflow

EPSS: 0.266 (97.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-12256?
CVE-2019-12256 is a critical-severity vulnerability in Belden Garrettcom_magnum_dx940e, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2019-08-09.
How severe is CVE-2019-12256?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-12256 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.