An integer underflow was discovered in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V…
Priority LOW 35CWE-191Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-191 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.01051 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 32
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:moxa:vport_06ec-2v26m_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v26m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v36m-t_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v36m-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v36m-ct_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v36m-ct:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v36m-ct-t_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v36m-ct-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v42m_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v42m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
- cpe:2.3:o:moxa:vport_06ec-2v26m_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v26m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v36m-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v36m-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v36m-ct_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v36m-ct:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v36m-ct-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v36m-ct-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v42m_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v42m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
Show 22 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:moxa:vport_06ec-2v42m-t_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v42m-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v42m-ct_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v42m-ct:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v42m-ct-t_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v42m-ct-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v60m_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v60m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v60m-t_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v60m-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v60m-ct_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v60m-ct:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v60m-ct-t_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v60m-ct-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v80m_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v80m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v80m-t_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v80m-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v80m-ct_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v80m-ct:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
| cpe:2.3:o:moxa:vport_06ec-2v80m-ct-t_firmware:*:*:*:*:*:*:*:* | up to 1.1 | Vulnerable | Moxa |
| cpe:2.3:h:moxa:vport_06ec-2v80m-ct-t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Moxa |
- cpe:2.3:o:moxa:vport_06ec-2v42m-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v42m-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v42m-ct_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v42m-ct:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v42m-ct-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v42m-ct-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v60m_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v60m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v60m-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v60m-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v60m-ct_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v60m-ct:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v60m-ct-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v60m-ct-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v80m_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v80m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v80m-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v80m-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v80m-ct_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v80m-ct:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
- cpe:2.3:o:moxa:vport_06ec-2v80m-ct-t_firmware:*:*:*:*:*:*:*:* Versions up to 1.1 Vulnerable ·Moxa
- cpe:2.3:h:moxa:vport_06ec-2v80m-ct-t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25849
- 2026-10-03 Alias added: GHSA-vwhr-cxjh-7vpw
References
More Moxa Vport 06ec-2v26m Firmware vulnerabilities
- TI-2021-07896 Improper validation of the length field of LLDP-MED TLV in userdisk/vport_lldpd in Moxa… CVSS 3.1CRITICAL 9.1
- TI-2021-07895 Improper validation of the length field of LLDP-MED TLV in userdisk/vport_lldpd in Moxa… CVSS 3.1CRITICAL 9.1
- TI-2021-07894 Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort… CVSS 3.1HIGH 7.5
- TI-2021-07893 Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-25849 · CVE Program
- CVE-2021-25849 · NVD
- FIRST EPSS
- GHSA-vwhr-cxjh-7vpw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences