CVE-2011-2716 [Medium] | Input Validation Bypass in Tm-Ac1900

The DHCP client (udhcpc) in BusyBox before 1.20.0 allows remote DHCP servers to execute arbitrary commands via shell metacharacters in the (1) HOST_NAME, (2) DOMAIN_NAME, (3) NIS_DOMAIN, and (4) TFTP_SERVER_NAME host name options.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2025-09-06	1.18%	0.71%	-0.47%
2	2025-03-30	1.08%	1.18%	+0.09%
3	2025-03-29	—	1.08%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2025-09-06

1.18%

0.71%

-0.47%

2025-03-30

1.08%

1.18%

+0.09%

2025-03-29

—

1.08%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.8	2.0	MEDIUM	`AV:A/AC:H/Au:N/C:C/I:C/A:C` Click to expand Access vector (AV:A) Requires access to an adjacent network segment. Access complexity (AC:H) Exploitation requires uncommon or highly specific conditions. Authentication (AU:N) No authentication is required. Confidentiality impact (C:C) Complete confidentiality impact. Integrity impact (I:C) Complete integrity impact. Availability impact (A:C) Complete availability impact.	3.2	10.0	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.8

2.0

MEDIUM

AV:A/AC:H/Au:N/C:C/I:C/A:C Click to expand

Access vector (AV:A): Requires access to an adjacent network segment.
Access complexity (AC:H): Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:C): Complete confidentiality impact.
Integrity impact (I:C): Complete integrity impact.
Availability impact (A:C): Complete availability impact.

3.2

10.0

[email protected]

OS Trackers for CVE-2011-2716

vendor	priority	summary	link
`debian`	unimportant	CVE-2011-2716 unimportant priority: Debian including 1 source packages (busybox), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2011-2716
`gentoo`	normal	CVE-2011-2716: 1 GLSA(s) (201312-02), 1 atom(s) (sys-apps/busybox); latest impact normal.	https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-2716
`redhat`	low	—	https://access.redhat.com/security/cve/CVE-2011-2716
`ubuntu`	negligible	CVE-2011-2716 negligible priority: Ubuntu including 1 source packages (busybox), 25 status rows across 25 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hardy, hirsute, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 15, ignored 9, released 1.	https://ubuntu.com/security/CVE-2011-2716

Affected software / configurations for CVE-2011-2716

Vendor	Product	Version	Raw CPE
t-mobile	tm-ac1900	3.0.0.4.376_3169	cpe:2.3:o:t-mobile:tm-ac1900:3.0.0.4.376_3169:::::::*
busybox	busybox	<= 1.19.4	cpe:2.3:a:busybox:busybox::::::::
busybox	busybox	0.60.5	cpe:2.3:a:busybox:busybox:0.60.5:::::::*
busybox	busybox	1.00	cpe:2.3:a:busybox:busybox:1.00:::::::*
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:pre1::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:pre10::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:pre2::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:pre3::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:pre4::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:pre5::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:pre6::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:pre7::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:pre8::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:pre9::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:rc1::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:rc2::::::
busybox	busybox	1.0.0	cpe:2.3:a:busybox:busybox:1.0.0:rc3::::::
busybox	busybox	1.01	cpe:2.3:a:busybox:busybox:1.01:::::::*
busybox	busybox	1.1.0	cpe:2.3:a:busybox:busybox:1.1.0:::::::*
busybox	busybox	1.1.0	cpe:2.3:a:busybox:busybox:1.1.0:pre1::::::
busybox	busybox	1.1.1	cpe:2.3:a:busybox:busybox:1.1.1:::::::*
busybox	busybox	1.1.2	cpe:2.3:a:busybox:busybox:1.1.2:::::::*
busybox	busybox	1.1.3	cpe:2.3:a:busybox:busybox:1.1.3:::::::*
busybox	busybox	1.2.0	cpe:2.3:a:busybox:busybox:1.2.0:::::::*
busybox	busybox	1.2.1	cpe:2.3:a:busybox:busybox:1.2.1:::::::*
busybox	busybox	1.2.2	cpe:2.3:a:busybox:busybox:1.2.2:::::::*
busybox	busybox	1.2.2.1	cpe:2.3:a:busybox:busybox:1.2.2.1:::::::*
busybox	busybox	1.3.0	cpe:2.3:a:busybox:busybox:1.3.0:::::::*
busybox	busybox	1.3.1	cpe:2.3:a:busybox:busybox:1.3.1:::::::*
busybox	busybox	1.3.2	cpe:2.3:a:busybox:busybox:1.3.2:::::::*
busybox	busybox	1.4.0	cpe:2.3:a:busybox:busybox:1.4.0:::::::*
busybox	busybox	1.4.1	cpe:2.3:a:busybox:busybox:1.4.1:::::::*
busybox	busybox	1.4.2	cpe:2.3:a:busybox:busybox:1.4.2:::::::*
busybox	busybox	1.5.0	cpe:2.3:a:busybox:busybox:1.5.0:::::::*
busybox	busybox	1.5.1	cpe:2.3:a:busybox:busybox:1.5.1:::::::*
busybox	busybox	1.6.0	cpe:2.3:a:busybox:busybox:1.6.0:::::::*
busybox	busybox	1.6.1	cpe:2.3:a:busybox:busybox:1.6.1:::::::*
busybox	busybox	1.7.0	cpe:2.3:a:busybox:busybox:1.7.0:::::::*
busybox	busybox	1.7.1	cpe:2.3:a:busybox:busybox:1.7.1:::::::*
busybox	busybox	1.7.2	cpe:2.3:a:busybox:busybox:1.7.2:::::::*
busybox	busybox	1.7.3	cpe:2.3:a:busybox:busybox:1.7.3:::::::*
busybox	busybox	1.8.0	cpe:2.3:a:busybox:busybox:1.8.0:::::::*
busybox	busybox	1.8.1	cpe:2.3:a:busybox:busybox:1.8.1:::::::*
busybox	busybox	1.8.2	cpe:2.3:a:busybox:busybox:1.8.2:::::::*
busybox	busybox	1.9.0	cpe:2.3:a:busybox:busybox:1.9.0:::::::*
busybox	busybox	1.9.1	cpe:2.3:a:busybox:busybox:1.9.1:::::::*
busybox	busybox	1.9.2	cpe:2.3:a:busybox:busybox:1.9.2:::::::*
busybox	busybox	1.10.0	cpe:2.3:a:busybox:busybox:1.10.0:::::::*
busybox	busybox	1.10.1	cpe:2.3:a:busybox:busybox:1.10.1:::::::*
busybox	busybox	1.10.2	cpe:2.3:a:busybox:busybox:1.10.2:::::::*
busybox	busybox	1.10.3	cpe:2.3:a:busybox:busybox:1.10.3:::::::*
busybox	busybox	1.10.4	cpe:2.3:a:busybox:busybox:1.10.4:::::::*
busybox	busybox	1.11.0	cpe:2.3:a:busybox:busybox:1.11.0:::::::*
busybox	busybox	1.11.1	cpe:2.3:a:busybox:busybox:1.11.1:::::::*
busybox	busybox	1.11.2	cpe:2.3:a:busybox:busybox:1.11.2:::::::*
busybox	busybox	1.11.3	cpe:2.3:a:busybox:busybox:1.11.3:::::::*
busybox	busybox	1.12.0	cpe:2.3:a:busybox:busybox:1.12.0:::::::*
busybox	busybox	1.12.1	cpe:2.3:a:busybox:busybox:1.12.1:::::::*
busybox	busybox	1.12.2	cpe:2.3:a:busybox:busybox:1.12.2:::::::*
busybox	busybox	1.12.3	cpe:2.3:a:busybox:busybox:1.12.3:::::::*
busybox	busybox	1.12.4	cpe:2.3:a:busybox:busybox:1.12.4:::::::*
busybox	busybox	1.13.0	cpe:2.3:a:busybox:busybox:1.13.0:::::::*
busybox	busybox	1.13.1	cpe:2.3:a:busybox:busybox:1.13.1:::::::*
busybox	busybox	1.13.2	cpe:2.3:a:busybox:busybox:1.13.2:::::::*
busybox	busybox	1.13.3	cpe:2.3:a:busybox:busybox:1.13.3:::::::*
busybox	busybox	1.13.4	cpe:2.3:a:busybox:busybox:1.13.4:::::::*
busybox	busybox	1.14.0	cpe:2.3:a:busybox:busybox:1.14.0:::::::*
busybox	busybox	1.14.1	cpe:2.3:a:busybox:busybox:1.14.1:::::::*
busybox	busybox	1.14.2	cpe:2.3:a:busybox:busybox:1.14.2:::::::*
busybox	busybox	1.14.3	cpe:2.3:a:busybox:busybox:1.14.3:::::::*
busybox	busybox	1.14.4	cpe:2.3:a:busybox:busybox:1.14.4:::::::*
busybox	busybox	1.15.0	cpe:2.3:a:busybox:busybox:1.15.0:::::::*
busybox	busybox	1.15.1	cpe:2.3:a:busybox:busybox:1.15.1:::::::*
busybox	busybox	1.15.2	cpe:2.3:a:busybox:busybox:1.15.2:::::::*
busybox	busybox	1.15.3	cpe:2.3:a:busybox:busybox:1.15.3:::::::*
busybox	busybox	1.16.0	cpe:2.3:a:busybox:busybox:1.16.0:::::::*
busybox	busybox	1.16.1	cpe:2.3:a:busybox:busybox:1.16.1:::::::*
busybox	busybox	1.16.2	cpe:2.3:a:busybox:busybox:1.16.2:::::::*
busybox	busybox	1.17.0	cpe:2.3:a:busybox:busybox:1.17.0:::::::*
busybox	busybox	1.17.1	cpe:2.3:a:busybox:busybox:1.17.1:::::::*

References for CVE-2011-2716

URL	Tags
http://downloads.avaya.com/css/P8/documents/100158840
http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
http://rhn.redhat.com/errata/RHSA-2012-0810.html
http://seclists.org/fulldisclosure/2019/Jun/18
http://seclists.org/fulldisclosure/2020/Aug/20
http://secunia.com/advisories/45363	Vendor Advisory
http://www.busybox.net/news.html
http://www.mandriva.com/security/advisories?name=MDVSA-2012:129
http://www.securityfocus.com/bid/48879
https://bugs.busybox.net/show_bug.cgi?id=3979	Patch
https://seclists.org/bugtraq/2019/Jun/14
https://support.t-mobile.com/docs/DOC-21994

URL

CVE-2011-2716

Exploit prediction scoring system (EPSS) score for CVE-2011-2716

Common vulnerability scoring system (CVSS) metrics for CVE-2011-2716

Weakness enumeration for CVE-2011-2716

OS Trackers for CVE-2011-2716

Affected software / configurations for CVE-2011-2716

References for CVE-2011-2716