CVE-2025-55499 Details
Description
Tenda AC6 V15.03.06.23_multi was discovered to contain a buffer overflow via the ntpServer parameter in the fromSetSysTime function.
A buffer overflow vulnerability has been identified in the Tenda AC6 router, specifically in the firmware version V15.03.06.23_multi. The issue arises in the 'fromSetSysTime' function, where the 'ntpServer' parameter can be manipulated to cause a stack overflow. This vulnerability is exploited by sending a POST request to the 'SetSysTimeCfg' endpoint, with the 'ntpServer' parameter containing a crafted payload that exceeds the buffer capacity.
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
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/SolitaryGrass/IoT_vuln/blob/main/tenda/AC6/AC6V2.0RTL_V15.03.06.23/fromSetSysTime/poc.md | [email protected] | ExploitThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| tenda ac6 firmware | 15.03.06.23 |
CPE
Remediation
| |
| tenda ac6 | 2.0 |
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 |
| Aug 21, 2025 | Initial Analysis | [email protected] |
| Aug 20, 2025 | CVE Modified | CISA-ADP |
| Aug 20, 2025 | New CVE Received | [email protected] |