CVE-2025-6887 Details
Description
A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/SetSysTimeCfg. The manipulation of the argument time/timeZone leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
A critical stack-based buffer overflow vulnerability has been identified in the Tenda AC5 router running firmware version 15.03.06.47. The issue arises in the '/goform/SetSysTimeCfg' file, where the 'time' and 'timeZone' parameters can be manipulated, leading to the overflow. This vulnerability can be exploited remotely, and a public proof-of-concept exploit is available.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 30, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://lavender-bicycle-a5a.notion.site/Tenda-AC5-fromSetSysTime_time-21d53a41781f8002bdb3fe8344d6fd8c?source=copy_link | [email protected] | ExploitThird Party Advisory |
| https://lavender-bicycle-a5a.notion.site/Tenda-AC5-fromSetSysTime_timeZone-21d53a41781f8021ae2fd2ac639f1b3f?source=copy_link | [email protected] | ExploitThird Party Advisory |
| https://vuldb.com/?ctiid.314366 | [email protected] | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.314366 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.603788 | [email protected] | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.603789 | [email protected] | Third Party AdvisoryVDB Entry |
| https://www.tenda.com.cn/ | [email protected] | Product |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| tenda ac5 firmware | 15.03.06.47 |
CPE
Remediation
| |
| tenda ac5 | 1.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jul 1, 2025 | Initial Analysis | [email protected] |
| Jun 30, 2025 | New CVE Received | [email protected] |