CVE-2026-55500: 9router < 0.4.80

CVE-2026-55500. CVSS 3.1 base score 9.9 (CRITICAL, Vendor/CNA). EPSS 0.00685 (percentile 0.52092), scored 24-Oct-2026.

Affected technology

9router · < 0.4.80
decolua

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 9.9/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 19:51 UTC

CWE: CWE-200
CCR priority: 39.8 /100 (P4)
CVSS 3.1: 9.9 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00685 · percentile 0.52321 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-55500.html