CVE-2025-8017

Ac7 Firmware vulnerability

CVSS

8.8

EPSS

8.3%

EPSS pct

94th

Exploited

No known

A vulnerability was found in Tenda AC7 15.03.06.44. It has been classified as critical. Affected is the function formSetMacFilterCfg of the file /goform/setMacFilterCfg of the component httpd. The manipulation of the argument deviceList leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected vendor

Tenda

Affected product

Ac7 Firmware

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-119 — Improper Restriction of Operations within Memory Bounds
CWE-121 — Stack-based Buffer Overflow

Published

2025-07-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 8.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2025-8017

Confirm whether Tenda Ac7 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2025-8017.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-8017

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