PT-2022-26835 · Tasmota · Tasmota

Winmin · CVE-2022-43294 · Published 2022-11-14 · Updated 2025-04-30

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Tasmota versions before commit 066878da4d4762a9b6cb169fdf353e804d735cfd

Description A stack overflow issue was discovered via the ClientPortPtr parameter at lib/libesp32/rtsp/CRtspSession.cpp.

Recommendations For versions before commit 066878da4d4762a9b6cb169fdf353e804d735cfd, consider updating to a version that includes the fix for this issue. As a temporary workaround, consider restricting access to the CRtspSession.cpp function until a patch is available. Avoid using the ClientPortPtr parameter in the affected rtsp session until the issue is resolved.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2022-43294

Affected Products

Tasmota

References · 6

• https://github.com/arendst/Tasmota/pull/16802 · Patch
• https://github.com/arendst/Tasmota/pull/16802/commits/066878da4d4762a9b6cb169fdf353e804d735cfd · Patch
• https://osv.dev/vulnerability/CVE-2022-43294 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-43294 · Security Note
• https://t.me/cvenotify/37672 · Telegram Post
• https://t.me/cvenotify/120375 · Telegram Post