What is CVE-2023-40041?

CVE-2023-40041 is a critical-severity vulnerability in Totolink T10 V2, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-08-08.

How severe is CVE-2023-40041?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Totolink T10 V2

CVE-2023-40041

TOTOLINK T10_v2 5.9c.5061_B20200511 has a stack-based buffer overflow in setWiFiWpsConfig in /lib/cste_modules/wps.so. Attackers can send crafted data in an MQTT packet, via the pin parameter, to control the return address and execute code.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (57.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Totolink T10_v2
Totolink T10_v2_firmware — versions 5.9c.5061_b20200511
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-40041?: CVE-2023-40041 is a critical-severity vulnerability in Totolink T10 V2, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2023-08-08.
How severe is CVE-2023-40041?: Critical severity. CVSS v3 base score is 9.8 out of 10.