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CVE-2025-61582VulnerabilityPublished Updated

CVE-2025-61582: joni1802 ts3-manager · Improper Input Validation

Affects joni1802 ts3-managerSource CVE Database V5

0

Not known to be exploited · CVSS 7.5 High : upgrade to 2.2.2 soon.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.2.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 1 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Upgrade joni1802 ts3-manager to 2.2.2.

Affected software

ProductAffectedFixed in
joni1802 ts3-managerAffected
  • <2.2.2
Fixed in
  • 2.2.2

AI-suggested

The primary mitigation is to upgrade ts3-manager to version 2.2.2 or later, where the input validation flaw has been fixed. Organizations should immediately apply this update to eliminate the vulnerability. Additionally, implementing web application firewalls (WAFs) with rules to detect and block suspicious Unicode input patterns targeting the Server field can provide a temporary protective layer. Network-level rate limiting and IP reputation filtering can reduce the risk of automated exploitation attempts. Monitoring application logs for repeated failed login attempts with unusual Unicode characters can help detect exploitation attempts early. Finally, organizations should review and harden input validation routines in custom or third-party web interfaces to prevent similar issues.

Description

TS3 Manager is modern web interface for maintaining Teamspeak3 servers. A Denial of Dervice vulnerability has been identified in versions 2.2.1 and earlier. The vulnerability permits an unauthenticated actor to crash the application through the submission of specially crafted Unicode input, requiring no prior authentication or privileges. The flaw manifests when Unicode tag characters are submitted to the Server field on the login page. The application fails to properly handle these characters during the ASCII conversion process, resulting in an unhandled exception that terminates the application within four to five seconds of submission. This issue is fixed in version 2.2.2.

References

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