Security readout for executives and security teams
BusyBox versions through 1.30.0 had a DHCP parsing flaw that could let a remote unauthenticated attacker read sensitive stack memory. The impact is confidentiality-focused: leakage, not code execution or service outage based on the provided sources. Exposure is most likely on Linux and embedded devices using BusyBox udhcp through 1.30.0 where DHCP messages can reach the client, server, or relay component. The bundle does not provide complete vendor/product CPE coverage. Prioritize remediation for network appliances, embedded systems, and infrastructure interfaces exposed to untrusted DHCP traffic. Treat as high urgency for confidentiality-sensitive environments, but not as confirmed active exploitation from the provided evidence. Mitigation focus: Upgrade BusyBox or vendor packages to a fixed release when available.; Apply relevant OS or firmware advisories, including vendor-provided embedded device updates.; If immediate patching is unavailable, restrict DHCP message reachability to trusted network segments..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-5747 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://git.busybox.net/busybox/commit/?id=74d9f1ba37010face4bd1449df4d60dd84450b06CVE reference · x_refsource_MISC
- https://bugs.busybox.net/show_bug.cgi?id=11506CVE reference · x_refsource_MISC
- USN-3935-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- 20190904 SEC Consult SA-20190904-0 :: Multiple vulnerabilities in Cisco router series RV34X, RV26X and RV16XCVE reference · mailing-list, x_refsource_BUGTRAQ
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.