CVE-2023-22919

8.8 highEPSS 1.6%

High (8.8) in zyxel nbg6604 firmware. EPSS 1.6% chance of exploitation in the next 30 days.

The post-authentication command injection vulnerability in the Zyxel NBG6604 firmware version V1.01(ABIR.0)C0 could allow an authenticated attacker to execute some OS commands remotely by sending a crafted HTTP request.

Severity

CVSS 3.1

8.8 high

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

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-78
Published: 2023-05-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zyxel:nbg6604_firmware

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-injection-vulnerability-in-nbg6604-home-router
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-command-injection-vulnerability-in-nbg6604-home-router

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