CVE-2022-43294
CWE-787Published: November 14, 2022· Updated: Jun 17, 2026
Official Description
Tasmota before commit 066878da4d4762a9b6cb169fdf353e804d735cfd was discovered to contain a stack overflow via the ClientPortPtr parameter at lib/libesp32/rtsp/CRtspSession.cpp.
Risk Analysis
Tasmota contains a stack overflow vulnerability within its RTSP session handling, which could lead to critical system impact. The vulnerability is rated 9.8 but is not currently identified as being exploited in the wild.
There is no known public exploit for this vulnerability. It is remotely exploitable.
Update Tasmota to a commit version later than 066878da4d4762a9b6cb169fdf353e804d735cfd.
Technical Analysis
CVE-2022-43294 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-43294 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts