CVE-2022-26413 : A command injection vulnerability in the CGI program of Zyxel VMG3312-T20A firmw

A command injection vulnerability in the CGI program of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0 could allow a local authenticated attacker to execute arbitrary OS commands on a vulnerable device via a LAN interface.

Published 2022-04-11 13:15:08

Updated 2022-04-15 03:34:49

Source Zyxel Corporation

View at NVD, CVE.org

Products affected by CVE-2022-26413

Zyxel » Vmg3312-t20a Firmware » Version: 5.30(abfx.5)c0
cpe:2.3:o:zyxel:vmg3312-t20a_firmware:5.30\(abfx.5\)c0:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg3312-t20a » Version: N/A
Zyxel » Emg3525-t50b Firmware » America Edition
Versions before (<) 5.50\(abpm.6\)c0
cpe:2.3:o:zyxel:emg3525-t50b_firmware:*:*:*:*:america:*:*:*
Matching versions
When used together with: Zyxel » Emg3525-t50b » Version: N/A
Zyxel » Emg3525-t50b Firmware » Emea Edition
Versions before (<) 5.50\(abpm.6\)c0
cpe:2.3:o:zyxel:emg3525-t50b_firmware:*:*:*:*:emea:*:*:*
Matching versions
When used together with: Zyxel » Emg3525-t50b » Version: N/A
Zyxel » Emg5523-t50b Firmware » Emea Edition
Versions before (<) 5.50\(abpm.6\)c0
cpe:2.3:o:zyxel:emg5523-t50b_firmware:*:*:*:*:emea:*:*:*
Matching versions
When used together with: Zyxel » Emg5523-t50b » Version: N/A
Zyxel » Emg5523-t50b Firmware » America Edition
Versions before (<) 5.50\(abpm.6\)c0
cpe:2.3:o:zyxel:emg5523-t50b_firmware:*:*:*:*:america:*:*:*
Matching versions
When used together with: Zyxel » Emg5523-t50b » Version: N/A
Zyxel » Emg5723-t50k Firmware
Versions before (<) 5.50\(abom.7\)c0
cpe:2.3:o:zyxel:emg5723-t50k_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Emg5723-t50k » Version: N/A
Zyxel » Emg6726-b10a Firmware
Versions before (<) 5.13\(abnp.7\)c0
cpe:2.3:o:zyxel:emg6726-b10a_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Emg6726-b10a » Version: N/A
Zyxel » Vmg1312-t20b Firmware
Versions before (<) 5.50\(absb.5\)c0
cpe:2.3:o:zyxel:vmg1312-t20b_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg1312-t20b » Version: N/A
Zyxel » Vmg3625-t50b Firmware
Versions before (<) 5.50\(abpm.6\)c0
cpe:2.3:o:zyxel:vmg3625-t50b_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg3625-t50b » Version: N/A
Zyxel » Vmg3927-b50a Firmware
Versions before (<) 5.17\(abmt.6\)c0
cpe:2.3:o:zyxel:vmg3927-b50a_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg3927-b50a » Version: N/A
Zyxel » Vmg3927-b50b Firmware
Versions before (<) 5.13\(ably.7\)c0
cpe:2.3:o:zyxel:vmg3927-b50b_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg3927-b50b » Version: N/A
Zyxel » Vmg3927-b60a Firmware
Versions before (<) 5.17\(abmt.6\)c0
cpe:2.3:o:zyxel:vmg3927-b60a_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg3927-b60a » Version: N/A
Zyxel » Vmg3927-t50k Firmware
Versions before (<) 5.50\(abom.7\)c0
cpe:2.3:o:zyxel:vmg3927-t50k_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg3927-t50k » Version: N/A
Zyxel » Vmg4927-b50a Firmware
Versions before (<) 5.13\(ably.7\)c0
cpe:2.3:o:zyxel:vmg4927-b50a_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg4927-b50a » Version: N/A
Zyxel » Vmg8623-t50b Firmware
Versions before (<) 5.50\(abpm.6\)c0
cpe:2.3:o:zyxel:vmg8623-t50b_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg8623-t50b » Version: N/A
Zyxel » Vmg8825-b50a Firmware
Versions before (<) 5.17\(abmt.6\)c0
cpe:2.3:o:zyxel:vmg8825-b50a_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg8825-b50a » Version: N/A
Zyxel » Vmg8825-b50b Firmware
Versions before (<) 5.17\(abny.7\)c0
cpe:2.3:o:zyxel:vmg8825-b50b_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg8825-b50b » Version: N/A
Zyxel » Vmg8825-t50k Firmware
Versions before (<) 5.50\(abom.7\)c0
cpe:2.3:o:zyxel:vmg8825-t50k_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg8825-t50k » Version: N/A
Zyxel » Vmg8825-b60a Firmware
Versions before (<) 5.17\(abmt.6\)c0
cpe:2.3:o:zyxel:vmg8825-b60a_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg8825-b60a » Version: N/A
Zyxel » Vmg8825-b60b Firmware
Versions before (<) 5.17\(abny.7\)c0
cpe:2.3:o:zyxel:vmg8825-b60b_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Vmg8825-b60b » Version: N/A
Zyxel » Xmg3927-b50a Firmware
Versions before (<) 5.17\(abmt.6\)c0
cpe:2.3:o:zyxel:xmg3927-b50a_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Xmg3927-b50a » Version: N/A
Zyxel » Xmg8825-b50a Firmware
Versions before (<) 5.17\(abmt.6\)c0
cpe:2.3:o:zyxel:xmg8825-b50a_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Xmg8825-b50a » Version: N/A
Zyxel » Dx5401-b0 Firmware
Versions before (<) 5.17\(abyo.1\)c0
cpe:2.3:o:zyxel:dx5401-b0_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Dx5401-b0 » Version: N/A
Zyxel » Ex3510-b0 Firmware
Versions before (<) 5.17\(abup.4\)c1
cpe:2.3:o:zyxel:ex3510-b0_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex3510-b0 » Version: N/A
Zyxel » Ex5401-b0 Firmware
Versions before (<) 5.17\(abyo.1\)c0
cpe:2.3:o:zyxel:ex5401-b0_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex5401-b0 » Version: N/A
Zyxel » Ex5501-b0 Firmware
Versions before (<) 5.17\(abry.2\)c0
cpe:2.3:o:zyxel:ex5501-b0_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ex5501-b0 » Version: N/A
Zyxel » Ax7501-b0 Firmware
Versions before (<) 5.17\(abpc.1\)c0
cpe:2.3:o:zyxel:ax7501-b0_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ax7501-b0 » Version: N/A
Zyxel » Ep240p Firmware
Versions before (<) 5.40\(abh.0\)c0
cpe:2.3:o:zyxel:ep240p_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Ep240p » Version: N/A
Zyxel » Pm7300-t0 Firmware
Versions before (<) 5.42\(acbc.1\)c0
cpe:2.3:o:zyxel:pm7300-t0_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pm7300-t0 » Version: N/A
Zyxel » Pmg5317-t20b Firmware
Versions before (<) 5.40\(abki.4\)c0
cpe:2.3:o:zyxel:pmg5317-t20b_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pmg5317-t20b » Version: N/A
Zyxel » Pmg5617ga Firmware
Versions before (<) 5.40\(abna.2\)c0
cpe:2.3:o:zyxel:pmg5617ga_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pmg5617ga » Version: N/A
Zyxel » Pmg5617-t20b2 Firmware
Versions before (<) 5.41\(acbb.1\)c0
cpe:2.3:o:zyxel:pmg5617-t20b2_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pmg5617-t20b2 » Version: N/A
Zyxel » Pmg5622ga Firmware
Versions before (<) 5.40\(abnb.2\)c0
cpe:2.3:o:zyxel:pmg5622ga_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Pmg5622ga » Version: N/A
Zyxel » Px7501-b0 Firmware
Versions before (<) 5.17\(abpc.1\)c0
cpe:2.3:o:zyxel:px7501-b0_firmware:*:*:*:*:*:*:*:*
Matching versions
When used together with: Zyxel » Px7501-b0 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2022-26413

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-26413

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.7	HIGH	AV:A/AC:L/Au:S/C:C/I:C/A:C	5.1	10.0	NIST
Access Vector: Adjacent Network Access Complexity: Low Authentication: Single Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
8.0	HIGH	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.1	5.9	NIST
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
8.0	HIGH	CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.1	5.9	Zyxel Corporation
Attack Vector: Adjacent Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2022-26413

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Assigned by:
- nvd@nist.gov (Primary)
- security@zyxel.com.tw (Secondary)

References for CVE-2022-26413

https://www.zyxel.com/support/OS-command-injection-and-buffer-overflow-vulnerabilities-of-CPE-and-ONTs.shtml

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Vulnerability Details : CVE-2022-26413

Products affected by CVE-2022-26413

Exploit prediction scoring system (EPSS) score for CVE-2022-26413

CVSS scores for CVE-2022-26413

CWE ids for CVE-2022-26413

References for CVE-2022-26413