Vulnerability identifier: #VU76849

Vulnerability risk: Medium

CVSSv3.1: 8.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-33485

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
X5000R
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: TOTOLINK

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the addEffect function in the sPort/ePort parameter. A remote user can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

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

Vulnerable software versions

X5000R: 9.1.0u.6118_B20201102 - 9.1.0u.6369_B20230113

---

External links
http://github.com/Kazamayc/vuln/tree/main/TOTOLINK/X5000R/5

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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