What is CVE-2025-29384?

CVE-2025-29384 is a critical-severity vulnerability in Tenda Ac9, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2025-03-14.

How severe is CVE-2025-29384?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-29384 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Tenda Ac9

CVE-2025-29384

In Tenda AC9 v1.0 V15.03.05.14_multi, the wanMTU parameter of /goform/AdvSetMacMtuWan has a stack overflow vulnerability, which can lead to remote arbitrary code execution.

Vulnerability class: Buffer Overflow

EPSS: 0.017 (73.7th 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

Tenda Ac9 — versions 1.0
Tenda Ac9_firmware — versions 15.03.05.14
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-29384?: CVE-2025-29384 is a critical-severity vulnerability in Tenda Ac9, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2025-03-14.
How severe is CVE-2025-29384?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-29384 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.