CVE-2026-7256 — HIGH (8.8) — White Hats Nepal

Vulnerability 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.

CVSS Score

8.8

HIGH

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zyxel	Wre6505 Firmware	v1.00\(abdv.3\)c0
Zyxel	Wre6505	v2

Related Weaknesses (CWE)

CWE-78

References

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

FAQ

What is CVE-2026-7256?

CVE-2026-7256 is a vulnerability with a CVSS score of 8.8 (HIGH). ** 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 operati...

How severe is CVE-2026-7256?

CVE-2026-7256 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-7256?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Wre6505 Firmware, Zyxel Wre6505.