CVE-2021-21734 - CVE House
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Status published Medium CVE-2021-21734

Some PON MDU devices of ZTE stored sensitive information in...

Vulnerability Description

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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

ZTE PON MDU devices
Vulnerable Versions:
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

Timeline

Official Publish: May 28th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.