CVE-2021-25849
7.5 · HIGHOverview
CVE-2021-25849 is a high-severity vulnerability affecting moxa vport_06ec-2v26m_firmware. It was published on May 10, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An integer underflow was discovered in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, improper validation of the PortID TLV leads to Denial of Service via a crafted lldp packet.
Remediation
Check the references section for vendor advisories and patches from moxa. Update vport_06ec-2v26m_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| moxa | vport_06ec-2v26m_firmware | 0 | Affected |
| moxa | vport_06ec-2v36m-t_firmware | 0 | Affected |
| moxa | vport_06ec-2v36m-ct_firmware | 0 | Affected |
| moxa | vport_06ec-2v36m-ct-t_firmware | 0 | Affected |
| moxa | vport_06ec-2v42m_firmware | 0 | Affected |
| moxa | vport_06ec-2v42m-t_firmware | 0 | Affected |
| moxa | vport_06ec-2v42m-ct_firmware | 0 | Affected |
| moxa | vport_06ec-2v42m-ct-t_firmware | 0 | Affected |
| moxa | vport_06ec-2v60m_firmware | 0 | Affected |
| moxa | vport_06ec-2v60m-t_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-25849?
CVE-2021-25849 is a high-severity vulnerability affecting moxa vport_06ec-2v26m_firmware. It was published on May 10, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-25849?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-25849?
Check the references section for vendor advisories and patches from moxa. Update vport_06ec-2v26m_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-25849?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-25849 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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