Auth bypass in NETGEAR Ex2800
CVE-2026-0408
A path traversal vulnerability in NETGEAR WiFi range extenders allows an attacker with LAN authentication to access the router's IP and review the contents of the dynamically generated webproc file, which records the username and password submitted to the router GUI.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (15.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
Affected products
- NETGEAR Ex2800 — versions 0
- NETGEAR Ex2800 Firmware
- NETGEAR Ex3110 — versions 0
- NETGEAR Ex3110 Firmware
- NETGEAR Ex5000 — versions 0
- NETGEAR Ex5000 Firmware
- NETGEAR Ex6110 — versions 0
- NETGEAR Ex6110 Firmware
Weakness classification (CWE)
References
- a2826606-91e7-4eb6-899e-8484bd4575d5 (Product, product, Patch, patch)
- a2826606-91e7-4eb6-899e-8484bd4575d5 (Product, product, Patch, patch)
- a2826606-91e7-4eb6-899e-8484bd4575d5 (Product, product, Patch, patch)
- a2826606-91e7-4eb6-899e-8484bd4575d5 (Product, product, Patch, patch)
- a2826606-91e7-4eb6-899e-8484bd4575d5 (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-0408?
- CVE-2026-0408 is a high-severity vulnerability in NETGEAR Ex2800, classified under Improper Authentication. CVSS score: 8.0/10. Published 2026-01-13.
- How severe is CVE-2026-0408?
- High severity. CVSS v3 base score is 8.0 out of 10.