CVE-2026-7256

Name: CVE-2026-7256
Creator: NVD / NIST
Published: 2026-05-12T04:16:29.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2026-7256 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. ** 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.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

** 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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.01%

58.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Zyxel	Wre6505 Firmware	v1.00\(abdv.3\)c0

References

https://www.zyxel.com/global/en/support/end-of-lifeProduct

Timeline

Published: May 12, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-7256?

How severe is CVE-2026-7256?

CVE-2026-7256 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2026-7256?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-7256?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST