Buffer overflow in Totolink Ex1200t

CVE-2025-5908

A vulnerability, which was classified as critical, has been found in TOTOLINK EX1200T up to 4.1.2cu.5232_B20210713. This issue affects some unknown processing of the file /boafrm/formIpQoS of the component HTTP POST Request Handler. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (53.5th 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-2025-5908?
CVE-2025-5908 is a high-severity vulnerability in Totolink Ex1200t, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-06-10.
How severe is CVE-2025-5908?
High severity. CVSS v3 base score is 8.8 out of 10.