Buffer overflow in Cosori Cs158-Af

CVE-2020-28592

A heap-based buffer overflow vulnerability exists in the configuration server functionality of the Cosori Smart 5.8-Quart Air Fryer CS158-AF 1.1.0. A specially crafted JSON object can lead to remote code execution. An attacker can send a malicious packet to trigger this vulnerability.

Vulnerability class: Buffer Overflow

EPSS: 0.025 (83.4th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-28592?
CVE-2020-28592 is a critical-severity vulnerability in Cosori Cs158-Af, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-04-15.
How severe is CVE-2020-28592?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-28592 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.