HIGHCVSS v3.1 8.8Vulnerability
CVE-2026-125406
Ettercap through 0.8.4.1 contains a stack buffer underwrite vulnerability in the telnet dissector in src/dissectors/ec_telnet.c that decrements the output pointer on backspace without a lower bound check. Attackers can send a telnet stream with more backspaces than preceding characters to write below the stack buffer, corrupting the stack of the Ettercap process that normally runs as root.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-10T23:33:48.924589+00:00
- Epss score
- 0.0024
- Cvss severity
- HIGH
- Cvss score
- 8.8
- Retrieved at
- 2026-11-10T23:35:17+00:00
- Last source
- FIRST EPSS
- Score
- 8.8
- Cvss version
- 3.1
- Cve id
- CVE-2026-125406
- Cvss vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-11-10T03:20:44+00:00
- Vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-11-10T00:17:15.507
- Last modified
- 2026-11-10T00:17:15.507
- Epss percentile
- 0.15225
Related Entities (1)
HAS_WEAKNESS (1)
Related research
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