What is CVE-2021-25846?

CVE-2021-25846 is a high-severity vulnerability in Moxa Vport 06ec-2v26m, classified under Integer Underflow. CVSS score: 7.5/10. Published 2021-05-10.

How severe is CVE-2021-25846?

High severity. CVSS v3 base score is 7.5 out of 10.

Integer overflow in Moxa Vport 06ec-2v26m

CVE-2021-25846

Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, allows attackers to cause a denial of service due to a negative number passed to the memcpy function via a crafted lldp packet.

EPSS: 0.010 (60.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Moxa Vport_06ec-2v26m
Moxa Vport_06ec-2v26m_firmware
Moxa Vport_06ec-2v36m-ct
Moxa Vport_06ec-2v36m-ct_firmware
Moxa Vport_06ec-2v36m-ct-t
Moxa Vport_06ec-2v36m-ct-t_firmware
Moxa Vport_06ec-2v36m-t
Moxa Vport_06ec-2v36m-t_firmware
Moxa Vport_06ec-2v42m
Moxa Vport_06ec-2v42m-ct

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-25846?: CVE-2021-25846 is a high-severity vulnerability in Moxa Vport 06ec-2v26m, classified under Integer Underflow. CVSS score: 7.5/10. Published 2021-05-10.
How severe is CVE-2021-25846?: High severity. CVSS v3 base score is 7.5 out of 10.