CVE-2026-90442

HIGH
MEDIUM Priority: 0.02 BB Relevance: 62/100
Published: 2026-10-27 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

A stack-based buffer overflow vulnerability in the Fireware OS certd process allows an authenticated attacker with access to the Firebox management interface to crash the certificate management service and potentially execute arbitrary code by sending a specially crafted request.

Weakness Classification (2)

References & Advisories (1)

Bug Bounty Relevance

62 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.6 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/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

0.21%
Raw Score 0.002060
Percentile 10.6%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00206
2026-10-28
0.00206

Intelligence Sources

mitre ref →
nvd ref →