CVE-2016-2148

CRITICAL

Heap-based buffer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to have unspecified impact via vectors involving OPTION_6RD parsing.

Affects 3 products across 3 vendors.

BCS7.78
CVSS 3.19.8
EPSS28.4%
Percentile98th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-119: Improper Restriction of Operations within Memory Buffer

Parent class for buffer-related vulnerabilities where operations exceed buffer boundaries.

◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 2017. A critical vulnerability affects Busybox systems (CVE-2016-2148). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2017-GLOBAL-250840-C • Model: rule-based-v1 • Confidence: MEDIUM

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2016-2148?
This vulnerability was disclosed in 2017. A critical vulnerability affects Busybox systems (CVE-2016-2148). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2016-2148?
CVE-2016-2148 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 28.4%.
Is CVE-2016-2148 actively exploited?
No confirmed active exploitation of CVE-2016-2148 as of 2026-05-30.
How do I remediate CVE-2016-2148?
Priority: MEDIUM. Advisory: http://www.openwall.com/lists/oss-security/2016/03/11/16 PSIRT: [email protected]
What systems are affected by CVE-2016-2148?
CVE-2016-2148 affects: Busybox, Canonical, Debian.
Vulnerability Details
CVE IDCVE-2016-2148
BSIDBS-2017-GLOBAL-250840-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2017-02-09
Last Modified2026-05-13
ICS Relevance15%
Weakness (CWE)
Improper Restriction of Operations within Memory Buffer
SourceNVD
Official Description

Heap-based buffer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to have unspecified impact via vectors involving OPTION_6RD parsing.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Heap-based buffer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to have unspecified impact via vectors involving OPTION_6RD parsing. CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Busybox Busybox —
Canonical Ubuntu Linux —
Debian Debian Linux —
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: July 2026 | Threat Age: 3440 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashfbf888e1bd51b8be82adaa71299d01e0deffcff19d692b0d9f1b0034404c5b93c2a2ab1088a138050524b69753aa41e24d859e378f24a0ed40eaccca807f600a
Related CVEs affecting Busybox
CVE-2022-48174 9.8 There is a stack overflow vulnerability in ash.c:6030 in busybox before 1.35.... CVE-2018-1000517 9.8 BusyBox project BusyBox wget version prior to commit 8e2174e9bd836e53c8b9c6e0... CVE-2021-42377 9.8 An attacker-controlled pointer free in Busybox's hush applet leads to denial ... CVE-2017-16544 8.8 In the add_match function in libbb/lineedit.c in BusyBox through 1.27.2, the ... CVE-2022-28391 8.8 BusyBox through 1.35.0 allows remote attackers to execute arbitrary code if n...
View all Busybox CVEs →

Critical Severity - Know Your Exposure

A CVSS 9.8 vulnerability in your ICS environment cannot wait. BreachSpider maps critical CVEs to your specific assets and tells you what to fix first.

Check Your Assets Free →