CVE-2025-4896— Tenda AC10 UserCongratulationsExec buffer overflow
Quick assessment
Affected
Tenda AC10
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Tenda AC10是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC10 16.03.10.13版本存在安全漏洞，该漏洞源于对文件/goform/UserCongratulationsExec中参数getuid的错误操作导致缓冲区溢出。
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-2025-4896
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 AC10 UserCongratulationsExec buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Tenda AC10 16.03.10.13 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/UserCongratulationsExec. The manipulation of the argument getuid leads to 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
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda AC10 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC10是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC10 16.03.10.13版本存在安全漏洞，该漏洞源于对文件/goform/UserCongratulationsExec中参数getuid的错误操作导致缓冲区溢出。
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-2025-4896
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
Qwen3.6-35B-A3B
· 8173 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month
III. Intelligence Information for CVE-2025-4896
请登录查看更多情报信息。
Same Patch Batch · Tenda · 2025-05-18 · 3 CVEs total
| CVE-2025-4897 | 8.8 HIGH | Tenda A15 HTTP POST Request multimodalAdd buffer overflow |
| CVE-2025-4867 | 6.5 MEDIUM | Tenda A15 ArpNerworkSet formArpNerworkSet denial of service |
IV. Related Vulnerabilities
Same product: AC10
-
CVE-2026-19924
Tenda AC10 httpd R7WebsSecurityHandler improper authenticati -
CVE-2026-16248
Tenda AC10 httpd/netctrl AdvSetLanip fromAdvSetLanip stack-b -
CVE-2026-5550
Tenda AC10 httpd fromSysToolChangePwd stack-based overflow -
CVE-2026-5549
Tenda AC10 RSA 2048-bit Private Key privkeySrv.pem hard-code -
CVE-2026-5548
Tenda AC10 httpd fromSysToolChangePwd stack-based overflow
Same vendor: Tenda
-
CVE-2026-78141
Tenda CH22 exeCommand formexeCommand command injection -
CVE-2026-78063
Tenda CH22 editFileName formeditFileName command injection -
CVE-2026-77031
Tenda CH22 formcreateFileName command injection -
CVE-2026-19924
Tenda AC10 httpd R7WebsSecurityHandler improper authenticati -
CVE-2026-19824
Tenda W20E addIpMacBind ipMacBindListStore stack-based overf
Same weakness: CWE-120
-
CVE-2026-80186
Bluez: stack overflow in name2utf8 causes dos and potential -
CVE-2026-71399
Adobe XD | Buffer Overflow (CWE-120) -
CVE-2026-78322
File-roller: file-roller: stack buffer overflow in parse_pro -
CVE-2026-19568
SVG File Parsing Memory Corruption Vulnerability in Autodesk -
CVE-2026-71942
DrayTek VigorSwitch Multiple Models Buffer Overflow via mail
V. Comments for CVE-2025-4896
No comments yet