Medium severity6.5NVD Advisory· Published May 28, 2021· Updated Jun 17, 2026
CVE-2021-21734
CVE-2021-21734
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
15- cpe:2.3:o:zte:zxa10_f821_firmware:1.7.0p3t22:*:*:*:*:*:*:*
- cpe:2.3:o:zte:zxa10_f822_firmware:1.4.3t6:*:*:*:*:*:*:*
- cpe:2.3:o:zte:zxa10_f819_firmware:1.2.1t5:*:*:*:*:*:*:*
- cpe:2.3:o:zte:zxa10_f832_firmware:1.1.1t7:*:*:*:*:*:*:*
- cpe:2.3:o:zte:zxa10_f839_firmware:1.1.0t8:*:*:*:*:*:*:*
- cpe:2.3:o:zte:zxa10_f809_firmware:3.2.1t1:*:*:*:*:*:*:*
- cpe:2.3:o:zte:zxa10_f822p_firmware:1.1.1t7:*:*:*:*:*:*:*
- cpe:2.3:o:zte:zxa10_f832v2_firmware:2.00.00.01:*:*:*:*:*:*:*
- Range: V1.2.1T5
- Range: V1.1.0T8
- Range: V1.7.0P3T22
- Range: V1.4.3T6
- Range: V1.1.1T7
- Range: V3.2.1T1
- ZTE/PON MDU devicedescription
Patches
Vulnerability mechanics
References
1- support.zte.com.cn/support/news/LoopholeInfoDetail.aspxnvdVendor Advisory
News mentions
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