Cyber Resilience

CVE-2022-29496

CriticalPublic PoC

Published: 17 June 2022

Published
17 June 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0105 78.0th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-29496 is a critical-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Blynk Blynk-Library. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 22.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

blynk
blynk-library
1.0.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References