Buffer overflow in Tenda Ac6

CVE-2025-50260

Tenda AC6 v15.03.05.16_multi is vulnerable to Buffer Overflow in the formSetFirewallCfg function via the firewallEn parameter.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (30.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Tenda Ac6
Tenda Ac6_firmware — versions 15.03.05.16_multi
N/a — versions n/a

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

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

Frequently asked questions

What is CVE-2025-50260?: CVE-2025-50260 is a high-severity vulnerability in Tenda Ac6, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-07-03.
How severe is CVE-2025-50260?: High severity. CVSS v3 base score is 7.5 out of 10.