Security Advisory – Vulnerability of some XM product before year 2017

2020/ 02/ 20

SA Number: XM-SN-EA60F402001

Initial Release Date : 2020-02-20


Some deivce have open Telent port 9530, for debugging and diagnosing and technical support for our customers, attacker could use this 9530 port as a vulnerability.


Software Versions and Fixes

Please contact our Technical Support Engineer for those below model for fixes, and update your devices.



1.High Vulnerability for H.264 devices which firmware released early than May 2017.

2.Low Vulnerability for H.265 devices which firmware released after than May 2017.

3.No risks for devices without open 9530 Telnet Port.


Vulnerability Scoring Detials

The vulnerability classification has been performed by using the CVSSv3 scoring system  


Base Score::9.8(AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Temporal Score: 9.1(E:F/RL:O/RC:C)


Obtaining Fixed Software

Customers please contact our XM Technical Support Engineer to request the upgrades.



This vulnerability was disclosed by Resercher Mr. Vladislav Yarmak

Very appreciated for Mr. Vladislav Yarmak for helping us to disclose this vulnerability, and the positive communication and guide to us, discuss with us for risks of this vulnerability and solutions, even more practical security advicesHis suggestions are helping us to strengthen our security levels of our products in present and in future!

Again thanks for the dedication of Mr. Vladislav Yarmak!

We also appreciated the support from Huawei PSIRT to participate as coordinator for the coordinated vulnerability disclosure.

Revision Histroy

2020-2-20 V1.0 INITIAL

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