Vulnerability in Tenda Ac6 V5.0

CVE-2025-30256

A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted series of HTTP requests can lead to a reboot. An attacker can send multiple network packets to trigger t…

EPSS: 0.001 (31.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-30256?
CVE-2025-30256 is a high-severity vulnerability in Tenda Ac6 V5.0, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 8.6/10. Published 2025-08-20.
How severe is CVE-2025-30256?
High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2025-30256 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.