Unrated severityNVD Advisory· Published Feb 6, 2026· Updated Feb 17, 2026
AbsoluteTelnet 11.12 - 'SSH2/username' Denial of Service
CVE-2020-37166
Description
AbsoluteTelnet 11.12 contains a denial of service vulnerability in the SSH2 username input field that allows local attackers to crash the application. Attackers can overwrite the username field with a 1000-byte buffer, causing the application to become unresponsive and terminate.
Affected products
2- Range: = 11.12
- Celestial Software/AbsoluteTelnetv5Range: 11.12
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- www.exploit-db.com/exploits/48010mitreexploit
- www.vulncheck.com/advisories/absolutetelnet-sshusername-denial-of-servicemitrethird-party-advisory
- www.celestialsoftware.netmitreproduct
News mentions
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