Buffer overflow in Totolink T10

CVE-2025-14964

A vulnerability has been found in TOTOLINK T10 4.1.8cu.5083_B20200521. This affects the function sprintf of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument loginAuthUrl leads to stack-based buffer overflow. The attack may…

Vulnerability class: Buffer Overflow

EPSS: 0.009 (55.5th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-14964?
CVE-2025-14964 is a critical-severity vulnerability in Totolink T10, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-12-19.
How severe is CVE-2025-14964?
Critical severity. CVSS v3 base score is 9.8 out of 10.