Insecure File Permissions in TeamSpeak 3.5.6 by TeamSpeak
CVE-2022-50931

8.5HIGH

Key Information:

Vendor

Teamspeak

Status
Teamspeak
Vendor
CVE Published:
13 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-50931?

TeamSpeak 3.5.6 is vulnerable to an insecure file permissions issue, enabling local attackers to replace executable files with malicious binaries. This vulnerability allows unauthorized users to alter system executables, such as ts3client_win32.exe, potentially leading to unauthorized SYSTEM or Administrator-level access. It is crucial for users to ensure proper file permissions to avoid exploitation.

Affected Version(s)

TeamSpeak 3.5.6

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-50931 - Proof of Concept

References

https://www.exploit-db.com/exploits/50743
exploit
https://www.teamspeak.com
product
https://www.teamspeak.com/en/downloads
product

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Aryan Chehreghani
.