CVE-2014-7221

TeamSpeak Client 3.0.14 and earlier allows remote authenticated users to cause a denial of...

6.5 MediumPublic exploit

TeamSpeak Client 3.0.14 and earlier allows remote authenticated users to cause a denial of service (buffer overflow and application crash) by connecting to a channel with a different client instance, and placing crafted data in the Chat/Server tab containing [img]//http:// substrings.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

11.0%Up 9.8 points since Feb 4, 2022

What each source reports

NVD Score used 6.5

Record: CVE-2014-7221
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:N/I:N/A:P
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2014-7221
Updated: 2026-11-02

EUVDEUVD-2014-7093 No score

Record: EUVD-2014-7093
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jf49-63w2-73jw 6.5

TeamSpeak Client 3.0.14 and earlier allows remote authenticated users to cause a denial of...

Record: GHSA-jf49-63w2-73jw
CVSS 3.0: 6.5 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-119
Updated: 2026-11-02

Affected products

teamspeak teamspeak3

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	TeamSpeak Client 3.0.14 - Buffer Overflow	2014-10-02

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-7221 is a medium vulnerability (CVSS 6.5) in Teamspeak Teamspeak3, published January 8, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 11.0%, the 95th percentile. No source names a fixed version.