Vulnerability in ZTE Zxa10 F809
CVE-2021-21734
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
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- ZTE Zxa10 F809
- ZTE Zxa10 F809 Firmware — versions 3.2.1t1
- ZTE Zxa10 F819
- ZTE Zxa10 F819 Firmware — versions 1.2.1t5
- ZTE Zxa10 F821
- ZTE Zxa10 F821 Firmware — versions 1.7.0p3t22
- ZTE Zxa10 F822
- ZTE Zxa10 F822 Firmware — versions 1.4.3t6
- ZTE Zxa10 F822p
- ZTE Zxa10 F822p Firmware — versions 1.1.1t7
Weakness classification (CWE)
References
- support.zte.com.cn/support/news/LoopholeInfoDetail.aspx (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-21734?
- CVE-2021-21734 is a medium-severity vulnerability in ZTE Zxa10 F809, classified under Cleartext Storage of Sensitive Information. CVSS score: 6.5/10. Published 2021-05-28.
- How severe is CVE-2021-21734?
- Medium severity. CVSS v3 base score is 6.5 out of 10.