Buffer overflow in Zte Mf971r

CVE-2021-21749

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

Vulnerability class: Buffer Overflow

EPSS: 0.016 (72.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Zte Mf971r
  • Zte Mf971r_firmware — versions v1.0.0b05, 1v1.0.0b06, 2v1.0.0b03
  • N/a Mf971r — versions BD_ZTE_MF971RV1.0.0B05, BD_PLKPLMF971R1V1.0.0B06, BD_MF971R2V1.0.0B03, BD_ZTE_MF971RS2V1.0.0B03, BD_ZTE_MF971RSV1.0.0B05

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-21749?
CVE-2021-21749 is a critical-severity vulnerability in Zte Mf971r, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-10-20.
How severe is CVE-2021-21749?
Critical severity. CVSS v3 base score is 9.8 out of 10.