What is the CVSS score of CVE-2024-0816?

CVE-2024-0816 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Lte3202 M437 Firmware CVE-2024-0816

MEDIUM

Classic Buffer Overflow (CWE-120)

2024-05-21 security@zyxel.com.tw

Buffer Overflow Denial Of Service Lte3202 M437 Firmware Lte3301 Plus Firmware Lte5388 M804 Firmware Lte5398 M904 Firmware Lte7240 M403 Firmware Lte7480 M804 Firmware Lte7490 M904 Firmware Nr5103 Firmware Nr5103E Firmware Nr5103Ev2 Firmware Nr5307 Firmware Nr7101 Firmware Nr7102 Firmware Nr7103 Firmware Nr7302 Firmware Nr7303 Firmware Nr7501 Firmware Nebula Fwa505 Firmware Nebula Fwa510 Firmware Nebula Fwa710 Firmware Nebula Lte3301 Plus Firmware Nebula Lte7461 M602 Firmware Nebula Nr5101 Firmware Nebula Nr7101 Firmware Dx3300 T1 Firmware Dx3301 T0 Firmware Dx4510 Firmware Dx5401 B0 Firmware Dx5401 B1 Firmware Emg3525 T50b Firmware Emg5523 T50b Firmware Emg5723 T50K Firmware Ex3300 T1 Firmware Ex3301 T0 Firmware Ex3320 T0 Firmware Ex3320 T1 Firmware Ex3500 T0 Firmware Ex3501 T0 Firmware Ex3510 Firmware Ex5401 B0 Firmware Ex5401 B1 Firmware Ex5501 B0 Firmware Ex5510 Firmware Ex5512 T0 Firmware Ex5600 T1 Firmware Ex5601 T0 Firmware Ex5601 T1 Firmware Ex7710 B0 Firmware Vmg3625 T50b Firmware Vmg3927 T50K Firmware Vmg4005 B50a Firmware Vmg4005 B60a Firmware Vmg8623 T50b Firmware Vmg8825 T50K Firmware Ax7501 B0 Firmware Ax7501 B1 Firmware Pm3100 T0 Firmware Pm5100 T0 Firmware Pm7300 T0 Firmware Px3321 T1 Firmware Wx3100 T0 Firmware Wx3401 B0 Firmware Wx5600 T0 Firmware Wx5610 B0 Firmware Nbg7510 Firmware

5.5

CVSS 3.1 · Vendor: zyxel

Severity by source

Vendor (zyxel) PRIMARY

5.5 MEDIUM

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

Primary rating from Vendor (zyxel) · only source for this CVE.

CVSS VectorVendor: zyxel

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

May 21, 2024 - 02:15 cve.org

MEDIUM 5.5

DescriptionCVE.org

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.

AnalysisAI

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. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. 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 products include: Zyxel Lte3202-M437 Firmware, Zyxel Lte3301-Plus Firmware, Zyxel Lte5388-M804 Firmware, Zyxel Lte5398-M904 Firmware, Zyxel Lte7240-M403 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.