CVE-2025-30256 Details
Description
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 this vulnerability.
A denial-of-service vulnerability has been identified in the Tenda AC6 router, specifically in version 5.0 V02.03.01.110. The issue arises within the HTTP header parsing functionality, where a series of specially crafted HTTP requests can be used to exhaust the device's memory. This memory exhaustion leads to a failure in handling allocations, causing the device to crash and reboot. The vulnerability can be triggered by sending multiple network packets that exploit this flaw in the header parsing process.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Aug 20, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2166 | CVE | |
| https://talosintelligence.com/vulnerability_reports/TALOS-2025-2166 | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-772 | Missing Release of Resource after Effective Lifetime | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tenda ac6 firmware | 02.03.01.110 |
CPE
Remediation
| |
| tenda ac6 | 5.0 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Nov 3, 2025 | CVE Modified | CVE |
| Aug 21, 2025 | Initial Analysis | [email protected] |
| Aug 20, 2025 | New CVE Received | [email protected] |