Buffer overflow in Tenda Ac1206

CVE-2025-10432

A vulnerability was found in Tenda AC1206 15.03.06.23. This vulnerability affects the function check_param_changed of the file /goform/AdvSetMacMtuWa of the component HTTP Request Handler. Performing manipulation of the argument wanMTU results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could be used.

Vulnerability class: Buffer Overflow

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.016 (75.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-10432: held from 0.016 to 0.016.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-10432?
CVE-2025-10432 is a critical-severity vulnerability in Tenda Ac1206, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-09-15.
How severe is CVE-2025-10432?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-10432 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.