What is the CVSS score of CVE-2024-8748?

CVE-2024-8748 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.5%.

Lte3301 Plus Firmware CVE-2024-8748

HIGH

Classic Buffer Overflow (CWE-120)

2024-12-03 security@zyxel.com.tw

Zyxel Buffer Overflow Denial Of Service Lte3301 Plus Firmware Lte5388 M804 Firmware Lte5398 M904 Firmware Lte7480 M804 Firmware Lte7490 M904 Firmware Nr7101 Firmware Nr7102 Firmware Nebula Nr5101 Firmware Nebula Nr7101 Firmware Nebula Lte3301 Plus Firmware Dx3300 T0 Firmware Dx3300 T1 Firmware Dx3301 T0 Firmware Dx4510 B0 Firmware Dx4510 B1 Firmware Dx5401 B0 Firmware Dx5401 B1 Firmware Ee6510 10 Firmware Ex2210 T0 Firmware Ex3300 T0 Firmware Ex3300 T1 Firmware Ex3301 T0 Firmware Ex3500 T0 Firmware Ex3501 T0 Firmware Ex3510 B0 Firmware Ex3510 B1 Firmware Ex3600 T0 Firmware Ex5401 B0 Firmware Ex5401 B1 Firmware Ex5501 B0 Firmware Ex5510 B0 Firmware Ex5512 T0 Firmware Ex5600 T1 Firmware Ex5601 T0 Firmware Ex5601 T1 Firmware Ex7501 B0 Firmware Ex7710 B0 Firmware Emg3525 T50b Firmware Emg5523 T50b Firmware Emg5723 T50K Firmware Emg6726 B10a Firmware Vmg3625 T50b Firmware Vmg3927 B50B Firmware Vmg3927 T50K Firmware Vmg4005 B50a Firmware Vmg4005 B60a Firmware Vmg4005 B50B Firmware Vmg4927 B50a Firmware Vmg8623 T50b Firmware Vmg8825 T50K Firmware Ax7501 B0 Firmware Ax7501 B1 Firmware Pm3100 T0 Firmware Pm5100 T0 Firmware Pm7300 T0 Firmware Pm7500 T0 Firmware Px3321 T1 Firmware Px5301 T0 Firmware Wx3100 T0 Firmware Wx3401 B0 Firmware Wx3401 B1 Firmware Wx5600 T0 Firmware Wx5610 B0 Firmware

7.5

CVSS 3.1 · Vendor: zyxel

Severity by source

Vendor (zyxel) PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 03, 2024 - 02:15 cve.org

HIGH 7.5

DescriptionCVE.org

A buffer overflow vulnerability in the packet parser of the third-party library "libclinkc" in Zyxel VMG8825-T50K firmware versions through V5.50(ABOM.8.4)C0 could allow an attacker to cause a temporary denial of service (DoS) condition against the web management interface by sending a crafted HTTP POST request to a vulnerable device.

AnalysisAI

A buffer overflow vulnerability in the packet parser of the third-party library "libclinkc" in Zyxel VMG8825-T50K firmware versions through V5.50(ABOM.8.4)C0 could allow an attacker to cause a. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, 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. A buffer overflow vulnerability in the packet parser of the third-party library "libclinkc" in Zyxel VMG8825-T50K firmware versions through V5.50(ABOM.8.4)C0 could allow an attacker to cause a temporary denial of service (DoS) condition against the web management interface by sending a crafted HTTP POST request to a vulnerable device. Affected products include: Zyxel Lte3301-Plus Firmware, Zyxel Lte5388-M804 Firmware, Zyxel Lte5398-M904 Firmware, Zyxel Lte7480-M804 Firmware, Zyxel Lte7490-M904 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.