CVE-2021-21749 — CRITICAL (9.8)

Vulnerability Description

ZTE MF971R product has two stack-based buffer overflow vulnerabilities. An attacker could exploit the vulnerabilities to execute arbitrary code.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Zte	Mf971R Firmware	v1.0.0b05
Zte	Mf971R	All versions

Related Weaknesses (CWE)

CWE-787

References

https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764Vendor Advisory
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1019764Vendor Advisory

FAQ

What is CVE-2021-21749?

CVE-2021-21749 is a vulnerability with a CVSS score of 9.8 (CRITICAL). ZTE MF971R product has two stack-based buffer overflow vulnerabilities. An attacker could exploit the vulnerabilities to execute arbitrary code.

How severe is CVE-2021-21749?

CVE-2021-21749 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-21749?

Check the references section above for vendor advisories and patch information. Affected products include: Zte Mf971R Firmware, Zte Mf971R.