Buffer overflow in Tenda Ac10u

CVE-2025-15218

A weakness has been identified in Tenda AC10U 15.03.06.48/15.03.06.49. Affected by this vulnerability is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Parameter Handler. Executing a manipulation of the argument lanMask can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

Vulnerability class: Buffer Overflow

EPSS: 0.033 (87.7th 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-2025-15218?
CVE-2025-15218 is a high-severity vulnerability in Tenda Ac10u, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-12-30.
How severe is CVE-2025-15218?
High severity. CVSS v3 base score is 8.8 out of 10.