What is the CVSS score of CVE-2022-25996?

CVE-2022-25996 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.1%.

Is there a public PoC exploit available for CVE-2022-25996?

Yes, a public proof-of-concept exploit is available for CVE-2022-25996. Prioritise patching immediately. EPSS: 1.1%.

Linkhub Mesh Wifi Ac1200 CVE-2022-25996

CRITICAL

Stack-based Buffer Overflow (CWE-121)

2022-08-05 talos-cna@cisco.com

Stack Overflow Buffer Overflow Linkhub Mesh Wifi Ac1200

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 05, 2022 - 22:15 nvd

CRITICAL 9.8

DescriptionNVD

A stack-based buffer overflow vulnerability exists in the confsrv addTimeGroup functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. A specially-crafted network packet can lead to a buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.

AnalysisAI

A stack-based buffer overflow vulnerability exists in the confsrv addTimeGroup functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-121. A stack-based buffer overflow vulnerability exists in the confsrv addTimeGroup functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. A specially-crafted network packet can lead to a buffer overflow. An attacker can send a malicious packet to trigger this vulnerability. Affected products include: Tcl Linkhub Mesh Wifi Ac1200.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.