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CVE-2024-5412

HIGH
7.5
CVSS Score
Published: September 3, 2024 at 01:18 AM UTC
Updated: June 17, 2026 at 08:15 AM UTC
49 products affected across 1 vendorVmg3625-t50bDx5401-B0Emg5523-T50B

Using VMG8825-T50K firmware by Zyxel?

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

A buffer overflow vulnerability in the library "libclinkc" of the Zyxel VMG8825-T50K firmware version 5.50(ABOM.8)C0 could allow an unauthenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

VMG8825-T50K firmware· Zyxel
60%
5.50(ABOM.8)C05.50(abom.8)c0
Affected range stops below 5.50(abom.8.4)c0, so it looks safe — our inference, not a vendor statement
zyxel-vmg8825-t50k (same device)
Ax7501-B0· Zyxeldevice
80%
All versions
Dx3300-T0· Zyxeldevice
80%
All versions
Dx3300-T1· Zyxeldevice
80%
All versions
Dx3301-T0· Zyxeldevice
80%
All versions
Dx4510-B0· Zyxeldevice
80%
All versions
Dx5401-B0· Zyxeldevice
80%
All versions
Dx5401-B1· Zyxeldevice
80%
All versions
Emg3525-T50B· Zyxeldevice
80%
All versions
Emg5523-T50B· Zyxeldevice
80%
All versions

References (1)

Vendor Advisory
Source: [email protected]
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-buffer-overflow-vulnerability-in-some-5g-nr-cpe-dsl-ethernet-cpe-fiber-ont-wifi-extender-and-security-router-devices-09-03-2024

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHZyxel
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120

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