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.

Affected

Zyxel · WAX650S firmware

CVSS v3.1 ZYXEL

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

EPSS

1.52% chance of exploitation in the next 30 days, 74th percentile

Published

2026-08-04

Updated

2026-08-05

Proof-of-concept exploits (1)

• minanagehsalalma/CVE-2026-6837-zyxel-export-cgi-command-injection/blob/a4cf21bea79dd28a02…3★ · 2026-08-16

References

• CVE Record
• NVD entry

Related

• CVE-2026-34472
• CVE-2026-34473
• CVE-2026-34474
• CVE-2026-8508