What is CVE-2026-24103?

CVE-2026-24103 is a critical-severity vulnerability in Tenda Ac15, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-03-03.

How severe is CVE-2026-24103?

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

Buffer overflow in Tenda Ac15

CVE-2026-24103

A buffer overflow vulnerability was discovered in goform/formSetMacFilterCfg in Tenda AC15V1.0 V15.03.05.18_multi.

Vulnerability class: Buffer Overflow

Published 2026-03-03 · 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: 0.005 (41.7th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Tenda Ac15 — versions 1.0
Tenda Ac15 Firmware — versions 15.03.05.18_multi

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

www.tenda.com.cn/material/show/2710 (Product)
github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24103 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-24103?: CVE-2026-24103 is a critical-severity vulnerability in Tenda Ac15, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2026-03-03.
How severe is CVE-2026-24103?: Critical severity. CVSS v3 base score is 9.8 out of 10.