#VU83191 Improper Authentication in TL-WR902AC - CVE-2023-44447

Vulnerability identifier: #VU83191

Vulnerability risk: Low

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-44447

CWE-ID: CWE-287

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
TL-WR902AC
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: TP-Link

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests within the httpd service. A remote attacker on the local network can bypass authentication process and gain unauthorized access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TL-WR902AC: before TL-WR902AC(US)_V1_231025

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External links
https://www.zerodayinitiative.com/advisories/ZDI-23-1623/

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

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