CVE-2021-21749: Buffer Overflow

Published Oct 20, 2021
·
Updated

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

Affected Software

6 affected components
ZTE Mf971r Firmware=v1.0.0b05
ZTE MF971R
ZTE Mf971r Firmware=1v1.0.0b06
ZTE Mf971r Firmware=2v1.0.0b03
ZTE Mf971r Firmware=s2v1.0.0b03
ZTE Mf971r Firmware=sv1.0.0b05

Event History

Oct 20, 2021
CVE Published
via MITRE·03:22 PM
Data Sourced
via MITRE·03:22 PM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2021-21749?

CVE-2021-21749 is a vulnerability in ZTE MF971R product that allows for stack-based buffer overflow, enabling attackers to execute arbitrary code.

2

How severe is CVE-2021-21749?

CVE-2021-21749 has a severity rating of 9.8 out of 10, which indicates it is critical.

3

What software is affected by CVE-2021-21749?

The ZTE MF971R firmware versions v1.0.0b05, 1v1.0.0b06, 2v1.0.0b03, s2v1.0.0b03, and sv1.0.0b05 are affected by CVE-2021-21749.

4

How can CVE-2021-21749 be exploited?

CVE-2021-21749 can be exploited by exploiting the stack-based buffer overflow vulnerabilities, allowing an attacker to execute arbitrary code.

5

Is ZTE MF971R vulnerable to CVE-2021-21749?

No, the ZTE MF971R device itself is not vulnerable to CVE-2021-21749, but specific firmware versions are.

Contact

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