CVE-2021-47764
AbsoluteTelnet 11.24 - 'Phone' Denial of Service (PoC)
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-787 |
| Vendor | celestialsoftware |
| Product | absolutetelnet |
| Published | Jan 15, 2026 |
| Last Updated | Feb 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Celestialsoftware / AbsoluteTelnet
11.24
References
Credits
Yehia Elghaly