Buffer overflow in Totolink T6

CVE-2025-7913

A vulnerability, which was classified as critical, was found in TOTOLINK T6 4.1.5cu.748_B20211015. Affected is the function updateWifiInfo of the component MQTT Service. The manipulation of the argument serverIp leads to buffer overflow. I…

Vulnerability class: Buffer Overflow

EPSS: 0.008 (50.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-7913?
CVE-2025-7913 is a high-severity vulnerability in Totolink T6, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-07-21.
How severe is CVE-2025-7913?
High severity. CVSS v3 base score is 8.8 out of 10.