CVE-2019-12257
Wind River VxWorks 6.6 through 6.9 has a Buffer Overflow in the DHCP client component.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 84.3%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
Wind River VxWorks 6.6 through 6.9 has a Buffer Overflow in the DHCP client component. There is an IPNET security vulnerability: Heap overflow in DHCP Offer/ACK parsing inside ipdhcpc.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 84.30% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- windriver/vxworks · sonicwall/sonicos · siemens/siprotec 5 firmware · netapp/e-series santricity os controller · siemens/ruggedcom win7000 firmware · siemens/ruggedcom win7018 firmware · siemens/ruggedcom win7025 firmware · siemens/ruggedcom win7200 firmware · belden/hirschmann hios · belden/garrettcom magnum dx940e firmware
- Source
- cve@mitre.org
EPSS 84.3% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdfThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdfThird Party Advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190802-0001/Third Party Advisory
- https://support.f5.com/csp/article/K41190253Third Party Advisory
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12257Vendor Advisory
- https://support2.windriver.com/index.php?page=security-noticesIssue Tracking, Vendor Advisory
- https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdfThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdfThird Party Advisory
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009Third Party Advisory
- https://security.netapp.com/advisory/ntap-20190802-0001/Third Party Advisory
- https://support.f5.com/csp/article/K41190253Third Party Advisory
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12257Vendor Advisory
- https://support2.windriver.com/index.php?page=security-noticesIssue Tracking, Vendor Advisory
- https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.