Vulnerability identifier: #VU80551

Vulnerability risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-3526

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TC ROUTER 3002T-4G
Hardware solutions / Routers & switches, VoIP, GSM, etc
TC ROUTER 3002T-4G ATT
Hardware solutions / Routers & switches, VoIP, GSM, etc
TC ROUTER 3002T-4G VZW
Hardware solutions / Routers & switches, VoIP, GSM, etc
TC CLOUD CLIENT 1002-4G
Hardware solutions / Routers & switches, VoIP, GSM, etc
TC CLOUD CLIENT 1002-4G ATT
Hardware solutions / Routers & switches, VoIP, GSM, etc
TC CLOUD CLIENT 1002-4G VZW
Hardware solutions / Routers & switches, VoIP, GSM, etc
CLOUD CLIENT 1101T-TX/TX
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor:

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the license viewer page. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://cert.vde.com/en/advisories/VDE-2023-017
http://seclists.org/fulldisclosure/2023/Aug/12
http://packetstormsecurity.com/files/174152/Phoenix-Contact-TC-Cloud-TC-Router-2.x-XSS-Memory-Consumption.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.