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CVE-2021-21722

MEDIUM
4.4
CVSS Score
Published: January 14, 2021 at 03:57 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
2 products affected across 1 vendorZXV10 B860A FirmwareZxv10 B860A

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.4%

Description

A ZTE Smart STB is impacted by an information leak vulnerability. The device did not fully verify the log, so attackers could use this vulnerability to obtain sensitive user information for further information detection and attacks. This affects: ZXV10 B860A V2.1-T_V0032.1.1.04_jiangsuTelecom.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014324

CVSS

4.4MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-532

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