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CVE-2021-21748

CRITICALCVSS 9.8/10EPSS 1.72%

Last modified

CVE-2021-21748 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. ZTE MF971R product has two stack-based buffer overflow vulnerabilities. An attacker could exploit the vulnerabilities to execute arbitrary code.. EPSS estimates a 1.72% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
1.72%

74.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ZteMf971r Firmwarev1.0.0b05
ZteMf971r Firmware1v1.0.0b06
ZteMf971r Firmware2v1.0.0b03
ZteMf971r Firmwares2v1.0.0b03
ZteMf971r Firmwaresv1.0.0b05

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21748?
ZTE MF971R product has two stack-based buffer overflow vulnerabilities. An attacker could exploit the vulnerabilities to execute arbitrary code.
How severe is CVE-2021-21748?
CVE-2021-21748 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.72% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21748?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21748?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST