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CVE-2026-55501: 9router < 0.4.80
CVE-2026-55501. CVSS 3.1 base score 7.3 (HIGH, Vendor/CNA). EPSS 0.00515 (percentile 0.43066), 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) · No privileges required · No user interaction required
What an attacker can do
A remote attacker can rotate the X-Forwarded-For value on each login attempt to receive a fresh rate-limit bucket, bypass the 5-attempt threshold and progressive lockout durations, and perform unlimited brute-force attempts against the dashboard password. Vendor/CNA’s CVSS 3.1 assessment (base score 7.3/10) rates confidentiality, integrity and availability impact as low.
- CWE
- CWE-307
- CCR priority
- 29.3 /100 (P4)
- CVSS 3.1
- 7.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L · Vendor/CNA
- EPSS
- 0.00515 · percentile 0.43596 · 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-2026-55501.html