Buffer overflow in Tenda Ac18

CVE-2025-11326

A weakness has been identified in Tenda AC18 15.03.05.19(6318). This affects an unknown part of the file /goform/WifiMacFilterSet. Executing a manipulation of the argument wifi_chkHz can lead to stack-based buffer overflow. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (63.5th 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)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-11326?
CVE-2025-11326 is a high-severity vulnerability in Tenda Ac18, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-10-06.
How severe is CVE-2025-11326?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-11326 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.