CVE-2025-6887— Tenda AC5 SetSysTimeCfg stack-based overflow
Quick assessment
Affected
Tenda AC5
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Tenda AC5是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC5 15.03.06.47版本存在安全漏洞，该漏洞源于文件/goform/SetSysTimeCfg中参数time和timeZone的错误操作导致栈缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2025-6887
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Tenda AC5 SetSysTimeCfg stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC5 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC5是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC5 15.03.06.47版本存在安全漏洞，该漏洞源于文件/goform/SetSysTimeCfg中参数time和timeZone的错误操作导致栈缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-6887
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-6887
请登录查看更多情报信息。
IV. Related Vulnerabilities
Same product: AC5
-
CVE-2026-4906
Tenda AC5 POST Request WizardHandle decodePwd stack-based ov -
CVE-2026-4905
Tenda AC5 POST Request WifiWpsOOB formWifiWpsOOB stack-based -
CVE-2026-4904
Tenda AC5 POST Request setcfm formSetCfm stack-based overflo -
CVE-2026-4903
Tenda AC5 POST Request QuickIndex formQuickIndex memory corr -
CVE-2026-4902
Tenda AC5 POST Request addressNat fromAddressNat memory corr
Same vendor: Tenda
-
CVE-2026-104611
Tenda AC9 POST Request fast_setting_internet_set stack-based -
CVE-2026-104610
Tenda HG7/HG9/HG10 Boa Web Server formLoopBack boaGetVar sta -
CVE-2026-90689
Tenda W20E formDelWebAuthWhiteUser stack-based overflow -
CVE-2026-90688
Tenda W20E HTTP formIPMacBindAdd stack-based overflow -
CVE-2026-86300
Tenda AC9 Web Management R7WebsSecurityHandler improper auth
Same weakness: CWE-121
-
CVE-2026-66837
Apache Thrift: PHP accelerator sizes a stack buffer from a w -
CVE-2026-104611
Tenda AC9 POST Request fast_setting_internet_set stack-based -
CVE-2026-104610
Tenda HG7/HG9/HG10 Boa Web Server formLoopBack boaGetVar sta -
CVE-2026-86325
协议网关账户管理接口栈溢出漏洞 -
CVE-2026-93925
Apache Thrift: C++ `THeaderTransport::writeVarint32()` stack
V. Comments for CVE-2025-6887
No comments yet