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CVE-2024-40891

Feb. 12, 2025, 6:11 p.m.

CVSS Score

8.8 / 10

Products Impacted

Vendor Product Versions
zyxel
  • vmg1312-b10a_firmware
  • vmg1312-b10a
  • vmg1312-b10b_firmware
  • vmg1312-b10b
  • vmg1312-b10e_firmware
  • vmg1312-b10e
  • vmg3312-b10a_firmware
  • vmg3312-b10a
  • vmg3313-b10a_firmware
  • vmg3313-b10a
  • vmg3926-b10b_firmware
  • vmg3926-b10b
  • vmg4325-b10a_firmware
  • vmg4325-b10a
  • vmg4380-b10a_firmware
  • vmg4380-b10a
  • vmg8324-b10a_firmware
  • vmg8324-b10a
  • vmg8924-b10a_firmware
  • vmg8924-b10a
  • sbg3300-n000_firmware
  • sbg3300-n000
  • sbg3300-nb00_firmware
  • sbg3300-nb00
  • sbg3500-n000_firmware
  • sbg3500-nb00_firmware
  • sbg3500-nb00
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Description

**UNSUPPORTED WHEN ASSIGNED** A post-authentication command injection vulnerability in the management commands of the legacy DSL CPE Zyxel VMG4325-B10A firmware version 1.00(AAFR.4)C0_20170615 could allow an authenticated attacker to execute operating system (OS) commands on an affected device via Telnet.

Weaknesses

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.

CWE ID: 78

Date

Published: Feb. 4, 2025, 10:15 a.m.

Last Modified: Feb. 12, 2025, 6:11 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@zyxel.com.tw

CPEs

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o zyxel vmg1312-b10a_firmware - / / / / / / /
h zyxel vmg1312-b10a - / / / / / / /
o zyxel vmg1312-b10b_firmware - / / / / / / /
h zyxel vmg1312-b10b - / / / / / / /
o zyxel vmg1312-b10e_firmware - / / / / / / /
h zyxel vmg1312-b10e - / / / / / / /
o zyxel vmg3312-b10a_firmware - / / / / / / /
h zyxel vmg3312-b10a - / / / / / / /
o zyxel vmg3313-b10a_firmware - / / / / / / /
h zyxel vmg3313-b10a - / / / / / / /
o zyxel vmg3926-b10b_firmware - / / / / / / /
h zyxel vmg3926-b10b - / / / / / / /
o zyxel vmg4325-b10a_firmware - / / / / / / /
h zyxel vmg4325-b10a - / / / / / / /
o zyxel vmg4380-b10a_firmware - / / / / / / /
h zyxel vmg4380-b10a - / / / / / / /
o zyxel vmg8324-b10a_firmware - / / / / / / /
h zyxel vmg8324-b10a - / / / / / / /
o zyxel vmg8924-b10a_firmware - / / / / / / /
h zyxel vmg8924-b10a - / / / / / / /
o zyxel sbg3300-n000_firmware - / / / / / / /
h zyxel sbg3300-n000 - / / / / / / /
o zyxel sbg3300-nb00_firmware - / / / / / / /
h zyxel sbg3300-nb00 - / / / / / / /
o zyxel sbg3500-n000_firmware - / / / / / / /
o zyxel sbg3500-n000_firmware - / / / / / / /
o zyxel sbg3500-nb00_firmware - / / / / / / /
h zyxel sbg3500-nb00 - / / / / / / /

CVSS Data

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
8.8
Exploitability Score
2.8
Impact Score
5.9
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

https://www.zyxel.com/ security@zyxel.com.tw