What is CVE-2024-25751?

CVE-2024-25751 is a critical-severity vulnerability in Tenda Ac9, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2024-02-26.

How severe is CVE-2024-25751?

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

Buffer overflow in Tenda Ac9

CVE-2024-25751

A Stack Based Buffer Overflow vulnerability in Tenda AC9 v.3.0 with firmware version v.15.03.06.42_multi allows a remote attacker to execute arbitrary code via the fromSetSysTime function.

Vulnerability class: Buffer Overflow

Published 2024-02-26 · last modified 2026-06-17.

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: 0.010 (61.7th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 62nd percentile — 61.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Tenda Ac9
Tenda Ac9 Firmware — versions 5.03.06.42_multi

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

github.com/TimeSeg/IOT_CVE/blob/main/tenda/AC9V3/0218/fromSetSysTime.md (Third Party Advisory)

Frequently asked questions

What is CVE-2024-25751?: CVE-2024-25751 is a critical-severity vulnerability in Tenda Ac9, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2024-02-26.
How severe is CVE-2024-25751?: Critical severity. CVSS v3 base score is 9.8 out of 10.