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Vulnerability record · CVE-2016-6301 · published 9 December 2016

CVE-2016-6301: Busybox vulnerability

Busybox · Busybox

The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged NTP packet, which triggers a communication loop.

7.5 CVSS 3.1 High EPSS 9.0% · top 4.9% CWE-399 · CWE-399CWE-835 · CWE-835
7.5CVSS 3.1 base score, v2 7.8
9.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
26References
17 Jun 2026Last modified by NVD

Description

The recv_and_process_client_pkt function in networking/ntpd.c in busybox allows remote attackers to cause a denial of service (CPU and bandwidth consumption) via a forged NTP packet, which triggers a communication loop.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentia
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
http://seclists.org/fulldisclosure/2019/Jun/18
http://seclists.org/fulldisclosure/2019/Sep/7
http://seclists.org/fulldisclosure/2020/Aug/20
http://seclists.org/fulldisclosure/2020/Mar/15
http://www.openwall.com/lists/oss-security/2016/08/03/7 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/92277 Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1363710 Issue TrackingThird Party Advisory
https://git.busybox.net/busybox/commit/?id=150dc7a2b483b8338a3e185c478b4b23ee884e71 Issue TrackingPatch
https://seclists.org/bugtraq/2019/Jun/14
https://seclists.org/bugtraq/2019/Sep/7
https://security.gentoo.org/glsa/201701-05 Third Party Advisory
http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentia
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html
http://seclists.org/fulldisclosure/2019/Jun/18
http://seclists.org/fulldisclosure/2019/Sep/7
http://seclists.org/fulldisclosure/2020/Aug/20
http://seclists.org/fulldisclosure/2020/Mar/15
http://www.openwall.com/lists/oss-security/2016/08/03/7 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/92277 Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1363710 Issue TrackingThird Party Advisory
https://git.busybox.net/busybox/commit/?id=150dc7a2b483b8338a3e185c478b4b23ee884e71 Issue TrackingPatch
https://seclists.org/bugtraq/2019/Jun/14
https://seclists.org/bugtraq/2019/Sep/7
https://security.gentoo.org/glsa/201701-05 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2022-48174Debian linux out-of-bounds write vulnerabilityThere is a stack overflow vulnerability in ash.c:6030 in busybox before 1.35. In the environment of Internet of Vehicles, this vulnerability can be e…EPSS 3.2%9.8CVE-2021-42377Busybox vulnerabilityAn attacker-controlled pointer free in Busybox's hush applet leads to denial of service and possible code execution when processing a crafted shell c…EPSS 3.6%9.8CVE-2018-1000517Busybox classic buffer overflow vulnerabilityBusyBox project BusyBox wget version prior to commit 8e2174e9bd836e53c8b9c6e00d1bc6e2a718686e contains a Buffer Overflow vulnerability in Busybox wge…EPSS 33%9.8CVE-2016-2148Busybox memory buffer overflow vulnerabilityHeap-based buffer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to have unspecified impact via vectors involv…EPSS 27%8.8CVE-2022-28391Busybox argument injection vulnerabilityBusyBox through 1.35.0 allows remote attackers to execute arbitrary code if netstat is used to print a DNS PTR record's value to a VT compatible term…EPSS 3.5%8.8CVE-2017-16544Busybox code injection vulnerabilityIn the add_match function in libbb/lineedit.c in BusyBox through 1.27.2, the tab autocomplete feature of the shell, used to get a list of filenames i…EPSS 6.2%8.1CVE-2018-1000500Busybox improper certificate validation vulnerabilityBusybox contains a Missing SSL certificate validation vulnerability in The "busybox wget" applet that can result in arbitrary code execution. This at…EPSS 2.5%7.8CVE-2023-39810Busybox path traversal vulnerabilityAn issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.EPSS 0.77%

Source: NIST National Vulnerability Database (record CVE-2016-6301), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.