RCE in Zyxel Wre6505
CVE-2026-7256
** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute operating system (OS) commands on a vulnerable device by sending a crafted HTTP request.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.027 · change: +0.017
Affected products
- Zyxel Wre6505 — versions v2
- Zyxel Wre6505 Firmware — versions v1.00\(abdv.3\)c0, v1.00(abdv.3)c0
- Zyxel Wre6505 V2 Firmware — versions V1.00(ABDV.3)C0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-7256?
- CVE-2026-7256 is a high-severity vulnerability in Zyxel Wre6505, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-05-12.
- How severe is CVE-2026-7256?
- High severity. CVSS v3 base score is 8.8 out of 10.