CVE-2023-27989

A buffer overflow vulnerability in the CGI program of the Zyxel NR7101 firmware versions prior to V1.00(ABUV.8)C0 could allow a remote authenticated attacker to cause denial of service (DoS) conditions by sending a crafted HTTP request to a vulnerable device.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-buffer-overflow-vulnerability-in-4g-lte-and-5g-nr-outdoor-routers	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:zyxel:lte7480-m804_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:lte7480-m804:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:zyxel:lte7490-m904_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:lte7490-m904:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:zyxel:nr7101_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:nr7101:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:zyxel:nebula_nr7101_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:nebula_nr7101:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-06-05 12:15

Updated : 2023-06-12 16:50

NVD link : CVE-2023-27989

Mitre link : CVE-2023-27989

CVE.ORG link : CVE-2023-27989

JSON object : View

Products Affected

zyxel

lte7480-m804_firmware
lte7490-m904_firmware
lte7480-m804
nr7101
nebula_nr7101_firmware
nr7101_firmware
nebula_nr7101
lte7490-m904

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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