CVE-2021-47764

MEDIUM

Celestialsoftware Absolutetelnet - Out-of-Bounds Write

Title source: rule

Description

AbsoluteTelnet 11.24 contains a denial of service vulnerability that allows local attackers to crash the application by manipulating DialUp connection and license name fields. Attackers can generate a 1000-character payload and paste it into specific input fields to trigger application crashes and force unexpected termination.

Exploits (1)

exploitdb WORKING POC
by Yehia Elghaly · pythondoswindows
https://www.exploit-db.com/exploits/50511

Scores

CVSS v3 5.5
EPSS 0.0001
EPSS Percentile 0.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-787
Status published
Products (1)
celestialsoftware/absolutetelnet 11.24
Published Jan 15, 2026
Tracked Since Feb 18, 2026