PT-2023-27232 · Totolink · Totolink T10 V2

Korey0Sh1 · Published 2023-08-08 · Updated 2023-08-11 · CVE-2023-40041

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions TOTOLINK T10 v2 version 5.9c.5061 B20200511

Description The issue is a stack-based buffer overflow in the setWiFiWpsConfig function, located in /lib/cste modules/wps.so. Attackers can exploit this by sending crafted data in an MQTT packet, specifically via the pin parameter, to control the return address and execute code.

Recommendations For TOTOLINK T10 v2 version 5.9c.5061 B20200511, as a temporary workaround, consider restricting access to the setWiFiWpsConfig function in /lib/cste modules/wps.so to minimize the risk of exploitation. Avoid using the pin parameter in the affected MQTT packet until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2023-40041

Affected Products

Totolink T10 V2

References · 5

• 🔥 https://github.com/Korey0sh1/IoT_vuln/blob/main/TOTOLINK/T10_V2/lib-cste_modules-wps.md · Exploit
• https://osv.dev/vulnerability/CVE-2023-40041 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-40041 · Security Note
• https://t.me/cibsecurity/68044 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1689013286409302016 · Twitter Post