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TI-2021-04801 Aliases CVE-2021-21734GHSA-h8vq-x2w7-p2c6

Cleartext storage of sensitive information in ZTE PON MDU devices

Priority LOW 29CWE-312Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-312.

Summary

Some PON MDU devices of ZTE stored sensitive information in plaintext, and users with login authority can obtain it by inputing command. This affects: ZTE PON MDU device ZXA10 F821 V1.7.0P3T22, ZXA10 F822 V1.4.3T6, ZXA10 F819 V1.2.1T5, ZXA10 F832 V1.1.1T7, ZXA10 F839 V1.1.0T8, ZXA10 F809 V3.2.1T1, ZXA10 F822P V1.1.1T7, ZXA10 F832 V2.00.00.01

Why it matters now

EPSS 0.00512 43rd 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
—ZTE PON MDU devicesZXA10 F821 V1.7.0P3T22,ZXA10 F822 V1.4.3T6,ZXA10 F819 V1.2.1T5,ZXA10 F832 V1.1.1T7,ZXA10 F839 V1.1.0T8,ZXA10 F809 V3.2.1T1,ZXA10 F822P V1.1.1T7,ZXA10 F832 V2.00.00.01—No fix listedCNA
  • ZTE PON MDU devices Vendor— Affected ZXA10 F821 V1.7.0P3T22,ZXA10 F822 V1.4.3T6,ZXA10 F819 V1.2.1T5,ZXA10 F832 V1.1.1T7,ZXA10 F839 V1.1.0T8,ZXA10 F809 V3.2.1T1,ZXA10 F822P V1.1.1T7,ZXA10 F832 V2.00.00.01 Fixed in — No fix listed CNA

CPE configurations NVD · 16

CPEVersionsRoleVendor
cpe:2.3:o:zte:zxa10_f821_firmware:1.7.0p3t22:*:*:*:*:*:*:*1.7.0p3t22VulnerableZTE
cpe:2.3:h:zte:zxa10_f821:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
cpe:2.3:o:zte:zxa10_f822_firmware:1.4.3t6:*:*:*:*:*:*:*1.4.3t6VulnerableZTE
cpe:2.3:h:zte:zxa10_f822:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
cpe:2.3:o:zte:zxa10_f819_firmware:1.2.1t5:*:*:*:*:*:*:*1.2.1t5VulnerableZTE
cpe:2.3:h:zte:zxa10_f819:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
cpe:2.3:o:zte:zxa10_f832_firmware:1.1.1t7:*:*:*:*:*:*:*1.1.1t7VulnerableZTE
cpe:2.3:h:zte:zxa10_f832:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
cpe:2.3:o:zte:zxa10_f839_firmware:1.1.0t8:*:*:*:*:*:*:*1.1.0t8VulnerableZTE
cpe:2.3:h:zte:zxa10_f839:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
  • cpe:2.3:o:zte:zxa10_f821_firmware:1.7.0p3t22:*:*:*:*:*:*:* Versions 1.7.0p3t22 Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxa10_f821:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE
  • cpe:2.3:o:zte:zxa10_f822_firmware:1.4.3t6:*:*:*:*:*:*:* Versions 1.4.3t6 Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxa10_f822:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE
  • cpe:2.3:o:zte:zxa10_f819_firmware:1.2.1t5:*:*:*:*:*:*:* Versions 1.2.1t5 Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxa10_f819:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE
  • cpe:2.3:o:zte:zxa10_f832_firmware:1.1.1t7:*:*:*:*:*:*:* Versions 1.1.1t7 Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxa10_f832:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE
  • cpe:2.3:o:zte:zxa10_f839_firmware:1.1.0t8:*:*:*:*:*:*:* Versions 1.1.0t8 Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxa10_f839:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE
Show 6 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:zte:zxa10_f809_firmware:3.2.1t1:*:*:*:*:*:*:*3.2.1t1VulnerableZTE
cpe:2.3:h:zte:zxa10_f809:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
cpe:2.3:o:zte:zxa10_f822p_firmware:1.1.1t7:*:*:*:*:*:*:*1.1.1t7VulnerableZTE
cpe:2.3:h:zte:zxa10_f822p:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
cpe:2.3:o:zte:zxa10_f832v2_firmware:2.00.00.01:*:*:*:*:*:*:*2.00.00.01VulnerableZTE
cpe:2.3:h:zte:zxa10_f832v2:-:*:*:*:*:*:*:*not specified by NVDRunning onZTE
  • cpe:2.3:o:zte:zxa10_f809_firmware:3.2.1t1:*:*:*:*:*:*:* Versions 3.2.1t1 Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxa10_f809:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE
  • cpe:2.3:o:zte:zxa10_f822p_firmware:1.1.1t7:*:*:*:*:*:*:* Versions 1.1.1t7 Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxa10_f822p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE
  • cpe:2.3:o:zte:zxa10_f832v2_firmware:2.00.00.01:*:*:*:*:*:*:* Versions 2.00.00.01 Vulnerable ·ZTE
  • cpe:2.3:h:zte:zxa10_f832v2:-:*:*:*:*:*:*:* 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-2021-21734
  2. 2026-10-03 Alias added: GHSA-h8vq-x2w7-p2c6

References

Advisory 1

Sources

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