CVE-2026-6837

A post-authentication command injection vulnerability in the "export-cgi" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an authenticated attacker with administrator privileges to execute OS commands on an affected device.

CVSS 3.1

7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-25)

CWE

CWE-78

Published

2026-08-04

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

References

• https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-and-improper-authentication-vulnerabilities-in-certain-aps-fwa7-and-security-routers-08-04-2026

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