What is CVE-2022-29496?

CVE-2022-29496 is a critical-severity vulnerability in Blynk Blynk-Library, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2022-06-17.

How severe is CVE-2022-29496?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Blynk Blynk-Library

CVE-2022-29496

A stack-based buffer overflow vulnerability exists in the BlynkConsole.h runCommand functionality of Blynk -Library v1.0.1. A specially-crafted network request can lead to command execution. An attacker can send a network request to trigger this vulnerability.

Vulnerability class: Buffer Overflow

Published 2022-06-17 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.020 (80.5th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: +0.001

Affected products

Blynk Blynk-Library — versions 1.0.1, v1.0.1

Weakness classification (CWE)

References

talosintelligence.com/vulnerability_reports/TALOS-2022-1524 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-29496?: CVE-2022-29496 is a critical-severity vulnerability in Blynk Blynk-Library, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2022-06-17.
How severe is CVE-2022-29496?: Critical severity. CVSS v3 base score is 9.8 out of 10.