Read the docs
TI-2021-04795 Aliases CVE-2021-21728GHSA-3386-9355-8xp9

Uncontrolled resource consumption in ZXA10 C300M

Priority LOW 26CWE-400Published · 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 · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-400.

Summary

A ZTE product has a configuration error vulnerability. Because a certain port is open by default, an attacker can consume system processing resources by flushing a large number of packets to the port, and successfully exploiting this vulnerability could reduce system processing capabilities. This affects: ZXA10 C300M all versions up to V4.3P8.

Why it matters now

EPSS 0.00991 62nd 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
—ZXA10 C300Mall versions up to V4.3P8—No fix listedCNA
  • ZXA10 C300M Vendor— Affected all versions up to V4.3P8 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:zte:zxa10_c300m_firmware:*:*:*:*:*:*:*:*before 4.5VulnerableZTE
cpe:2.3:h:zte:zxa10_c300m:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
  • cpe:2.3:o:zte:zxa10_c300m_firmware:*:*:*:*:*:*:*:* Versions before 4.5 Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxa10_c300m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21728
  2. 2026-10-03 Alias added: GHSA-3386-9355-8xp9

References

Advisory 1

  • TI-2022-18462 Improper access control in ZXA10 C3XX CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences