CVE-2022-43294

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-14 · updated 2026-06-17
Weakness: CWE-787

Description

Tasmota before commit 066878da4d4762a9b6cb169fdf353e804d735cfd was discovered to contain a stack overflow via the ClientPortPtr parameter at lib/libesp32/rtsp/CRtspSession.cpp.

Affected products

Tasmota Project Tasmota: before 12.2.0 — fixed in 12.2.0

How to fix

Upgrade to a fixed version: Tasmota Project Tasmota 12.2.0. Check the vendor advisory for mitigations.

References

https://github.com/arendst/Tasmota/pull/16802
https://github.com/arendst/Tasmota/pull/16802/commits/066878da4d4762a9b6cb169fdf353e804d735cfd
https://github.com/arendst/Tasmota/pull/16802
https://github.com/arendst/Tasmota/pull/16802/commits/066878da4d4762a9b6cb169fdf353e804d735cfd

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