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TI-2021-04791 Aliases CVE-2021-21724GHSA-fqjw-rgv6-j77q

Memory leak in ZXR10 8900E

Priority LOW 21CWE-401Published · Updated

Key facts

Attack vector
Local
Privileges required
High
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-401.

Summary

A ZTE product has a memory leak vulnerability. Due to the product's improper handling of memory release in certain scenarios, a local attacker with device permissions repeatedly attenuated the optical signal to cause memory leak and abnormal service. This affects: ZXR10 8900E, all versions up to V3.03.20R2B30P1.

Why it matters now

EPSS 0.00367 30th 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
—ZXR10 8900Eall versions up to V3.03.20R2B30P1—No fix listedCNA
  • ZXR10 8900E Vendor— Affected all versions up to V3.03.20R2B30P1 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:zte:zxr10_8900e_firmware:*:*:*:*:*:*:*:*up to 3.03.20r2b30p1VulnerableZTE
cpe:2.3:h:zte:zxr10_8900e:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
  • cpe:2.3:o:zte:zxr10_8900e_firmware:*:*:*:*:*:*:*:* Versions up to 3.03.20r2b30p1 Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxr10_8900e:-:*:*:*:*:*:*:* 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-2021-21724
  2. 2026-10-03 Alias added: GHSA-fqjw-rgv6-j77q

References

Advisory 1

Sources

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