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TI-2021-07893 Aliases CVE-2021-25845GHSA-27h4-m228-rwm7

Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort…

Priority LOW 35CWE-476Published · 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-476.

Summary

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 NULL pointer dereference via a crafted lldp packet.

Why it matters now

EPSS 0.01017 63rd 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 32

CPEVersionsRoleVendor
cpe:2.3:o:moxa:vport_06ec-2v26m_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v26m:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v36m-t_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v36m-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v36m-ct_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v36m-ct:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v36m-ct-t_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v36m-ct-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v42m_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v42m:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
  • cpe:2.3:o:moxa:vport_06ec-2v26m_firmware:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Moxa
  • cpe:2.3:h:moxa:vport_06ec-2v42m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Moxa
Show 22 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:moxa:vport_06ec-2v42m-t_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v42m-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v42m-ct_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v42m-ct:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v42m-ct-t_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v42m-ct-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v60m_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v60m:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v60m-t_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v60m-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v60m-ct_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v60m-ct:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v60m-ct-t_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v60m-ct-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v80m_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v80m:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v80m-t_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v80m-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v80m-ct_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v80m-ct:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
cpe:2.3:o:moxa:vport_06ec-2v80m-ct-t_firmware:1.1:*:*:*:*:*:*:*1.1VulnerableMoxa
cpe:2.3:h:moxa:vport_06ec-2v80m-ct-t:-:*:*:*:*:*:*:*not specified by NVDRunning onMoxa
  • cpe:2.3:o:moxa:vport_06ec-2v42m-t_firmware:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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:1.1:*:*:*:*:*:*:* Versions 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

  1. 2026-10-02 Threatist record created from CVE-2021-25845
  2. 2026-10-03 Alias added: GHSA-27h4-m228-rwm7

References

  • 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-2021-07897 An integer underflow was discovered in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V… CVSS 3.1HIGH 7.5
  • TI-2021-07894 Improper validation of the ChassisID TLV in userdisk/vport_lldpd in Moxa Camera VPort… CVSS 3.1HIGH 7.5

Sources