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CVE-2024-0816

MEDIUM
5.5
CVSS Score
Published: May 21, 2024 at 01:29 AM UTC
Updated: June 17, 2026 at 06:54 AM UTC
130 products affected across 1 vendorEmg5523-t50b FirmwareEmg3525-t50b FirmwareVmg8623-t50b Firmware

Using DX3300-T1 firmware by Zyxel?

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

The buffer overflow vulnerability in the DX3300-T1 firmware version V5.50(ABVY.4)C0 could allow an authenticated local attacker to cause denial of service (DoS) conditions by executing the CLI command with crafted strings on an affected device.

Affected

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

AX7501-B0 firmware· Zyxel
95%
5.17(abpc.4)c0
zyxel-ax7501-b0 (same device)
Ax7501-b1 Firmware· Zyxel
95%
5.17(abpc.4)c0
DX3300-T1 firmware· Zyxel
95%
5.50(ABVY.4)C05.50(aby.4)c0
zyxel-dx3300-t1 (same device)
DX3301-T0 firmware· Zyxel
95%
5.50(aby.4)c0
zyxel-dx3301-t0 (same device)
DX4510 Firmware· Zyxel
95%
5.17(abyl.6)c0
zyxel-dx4510 (same device)
DX5401-B0 firmware· Zyxel
95%
5.17(abyo.5)c0
zyxel-dx5401-b0 (same device)
Dx5401-b1 Firmware· Zyxel
95%
5.17(abyo.5)c0
zyxel-dx5401-b1 (same device)
Emg3525-t50b Firmware· Zyxel
95%
5.50(abpm.8)c0
zyxel-emg3525-t50b (same device)
Emg5523-t50b Firmware· Zyxel
95%
5.50(abpm.8)c0
zyxel-emg5523-t50b (same device)
Emg5723-t50k Firmware· Zyxel
95%
5.50(abom.8.2)c0
zyxel-emg5723-t50k (same device)

References (1)

Vendor Advisory
Source: [email protected]
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-buffer-overflow-vulnerabilities-in-some-5g-nr-4g-lte-cpe-dsl-ethernet-cpe-fiber-ont-wifi-extender-and-home-router-devices-05-21-2024

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUMZyxel
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120

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