CVE-2021-47764CWE-787

AbsoluteTelnet 11.24 - 'Phone' Denial of Service (PoC)

Medium · published January 15, 2026

CVSS v4.0
6.7
EPSS
0%
Percentile
8.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.7 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00194 · 8.6th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-01-15T15:52Z
EPSS history
Timeline
  • 15 JAN 15:52Z
    AbsoluteTelnet 11.24 - 'Phone' Denial of Service (PoC)
    cvelistv5