Description
A vulnerability was detected in 78 xiaozhi-esp32 up to 2.2.6. This vulnerability affects the function Application::GetInstance of the file main/protocols/mqtt_protocol.cc of the component MQTT Goodbye Handler. Performing a manipulation of the argument session_id results in denial of service. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is stated that the exploitability is difficult. The exploit is now public and may be used. The patch is named e182471f8c5a22434346bd98da34d3b66c8c8b3e. It is recommended to apply a patch to fix this issue.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
None
Integrity (Vulnerable System)
None
Availability (Vulnerable System)
Low
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
E
Physical
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
E
Physical
RL
O
RC
Changed
Affected products
References
- MISChttps://vuldb.com/vuln/374488
- MISChttps://vuldb.com/vuln/374488/cti
- MISChttps://vuldb.com/cve/CVE-2026-13491
- MISChttps://vuldb.com/submit/838439
- MISChttps://github.com/78/xiaozhi-esp32/issues/2022
- PATCHhttps://github.com/78/xiaozhi-esp32/pull/2023
- PATCHhttps://github.com/78/xiaozhi-esp32/commit/e182471f8c5a22434346bd98da34d3b66c8c8b3e
- MISChttps://github.com/78/xiaozhi-esp32/