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Vulnerability record · CVE-2025-8693 · published 18 November 2025

CVE-2025-8693: Zyxel dm4200-b0 firmware os command injection vulnerability

Zyxel · Dm4200 B0 Firmware

A post-authentication command injection vulnerability in the "priv" parameter of Zyxel DX3300-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an authenticated attacker to execute operating system (OS) commands on an affected device.

8.8 CVSS 3.1 High EPSS 1.1% · top 36.5% CWE-78 · OS command injection
8.8CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
54Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

A post-authentication command injection vulnerability in the "priv" parameter of Zyxel DX3300-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an authenticated attacker to execute operating system (OS) commands on an affected device.

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

Affected products

54 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-uncontrolled-resource-consumptio Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2025-13943Zyxel ex5601-t1 firmware os command injection vulnerabilityA post-authentication command injection vulnerability in the log file download function of the Zyxel EX3301-T0 firmware versions through 5.50(ABVY.7)…EPSS 1.4%8.8CVE-2022-43390Zyxel lte7480-m804 firmware os command injection vulnerabilityA command injection vulnerability in the CGI program of Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker t…EPSS 1.1%8.0CVE-2022-26413Zyxel vmg3312-t20a firmware os command injection vulnerabilityA command injection vulnerability in the CGI program of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0 could allow a local authenticated attacker…EPSS 0.70%7.5CVE-2025-6599Zyxel lte3301-plus firmware uncontrolled resource consumption vulnerabilityAn uncontrolled resource consumption vulnerability in the web server of Zyxel DX3301-T0 firmware version 5.50(ABVY.6.3)C0 and earlier could allow an …EPSS 0.31%7.5CVE-2024-8748Zyxel lte3301-plus firmware classic buffer overflow vulnerabilityA buffer overflow vulnerability in the packet parser of the third-party library "libclinkc" in Zyxel VMG8825-T50K firmware versions through V5.50(ABO…EPSS 0.52%7.5CVE-2024-5412Zyxel nebula lte3301-plus firmware classic buffer overflow vulnerabilityA buffer overflow vulnerability in the library "libclinkc" of the Zyxel VMG8825-T50K firmware version 5.50(ABOM.8)C0 could allow an unauthenticated a…EPSS 0.66%7.2CVE-2026-1460Zyxel nebula fwa70 firmware os command injection vulnerabilityA post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 f…EPSS 1.2%7.2CVE-2024-12009Zyxel dx3300-t0 firmware os command injection vulnerabilityA post-authentication command injection vulnerability in the "ZyEE" function of the Zyxel EX5601-T1 firmware version V5.70(ACDZ.3.6)C0 and earlier co…EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2025-8693), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.