PT-2021-16816 · Moxa · Moxa Camera Vport 06Ec-2V Series

Qian Chen · Published 2021-05-10 · Updated 2021-05-18 · CVE-2021-25846

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Moxa Camera VPort 06EC-2V Series version 1.1

Description The issue is caused by improper validation of the ChassisID TLV in userdisk/vport lldpd, allowing attackers to cause a denial of service. This happens due to a negative number being passed to the memcpy function via a crafted lldp packet.

Recommendations For Moxa Camera VPort 06EC-2V Series version 1.1, consider disabling the vport lldpd function in userdisk until a patch is available to prevent exploitation. Restrict access to crafted lldp packets to minimize the risk of denial of service. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Integer Underflow

Weakness Enumeration

CWE-191

Related Identifiers

CVE-2021-25846

Affected Products

Moxa Camera Vport 06Ec-2V Series

References · 5

• https://moxa.com/en · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-25846 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-25846 · Security Note
• https://moxa.com/en/support/product-support/security-advisory/vport-06ec-2v-series-ip-cameras-vulnerabilities · Vendor Advisory
• https://t.me/cvenotify/14613 · Telegram Post