CVE-2026-7256

⚠️ high

Summary

** 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

EPSS Score

1.2

Exploit Probability

Published Date

2026-05-12

First Seen: 2026-05-17

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 80.8% of all 365,890 vulnerabilities in our database.

#70,115

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: May 12, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-05-16

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-78

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
zyxel	wre6505_firmware	Affected	vv1.00\(abdv.3\)c0

🔗 References 1

🔗 Related CVEs 3

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-7257	🔶 medium	4.4	0.0	UNSUPPORTED WHEN ASSIGNED An insecure storage of sensitive information vulnerability in the configuration file of ...	2026-05-12
CVE-2026-6058	🔶 medium	4.5	0.2	UNSUPPORTED WHEN ASSIGNED An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 fi...	2026-04-21
CVE-2017-7964	⛔ critical	10.0	2.7	Zyxel WRE6505 devices have a default TELNET password of 1234 for the root and admin accounts, which makes it easier for ...	2017-04-19

These CVEs affect the same products