#VU82026 Improper access control in YF325 - CVE-2023-24479

Vulnerability identifier: #VU82026

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-24479

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
YF325
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Xiamen Yifan Communication Technology

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the httpd nvram.cgi functionality. A remote attacker can bypass implemented security restrictions and execute arbitrary commands on the target system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

YF325: 1.0_20221108

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External links
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1762

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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.