Dashboard / CVE-2026-125406

CVE-2026-125406

HIGH
MEDIUM Priority: 0.02 BB Relevance: 62/100
Published: 2026-11-10 Modified: 2026-11-13 First seen: 2026-11-10 Status: active

Attack Surface

Adjacent Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Adjacent
AC: Low
PR: None
UI: None
S: X
AT: None
VC: High
VI: High
VA: High

Description

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
Ettercap ettercap 0
Ettercap ettercap 0

References & Advisories (5)

Bug Bounty Relevance

62 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

8.7 / 10.0 v4.0
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.24%
Raw Score 0.002400
Percentile 15.3%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00240
2026-11-12
0.00240
2026-11-10
0.00240

Intelligence Sources

mitre ref →
nvd ref →

External Links