CVE-2026-5686— Tenda CX12L RouteStatic fromRouteStatic stack-based overflow
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I. Basic Information for CVE-2026-5686
Vulnerability Information
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Vulnerability Title
Tenda CX12L RouteStatic fromRouteStatic stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in Tenda CX12L 16.03.53.12. This vulnerability affects the function fromRouteStatic of the file /goform/RouteStatic. The manipulation of the argument page results in stack-based buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
Tenda CX12L 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda CX12L是中国腾达（Tenda）公司的一款家用无线路由器设备。 Tenda CX12L 16.03.53.12版本存在安全漏洞，该漏洞源于对文件/goform/RouteStatic中参数page的错误操作，可能导致栈缓冲区溢出。
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-2026-5686
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 10499 chars
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III. Intelligence Information for CVE-2026-5686
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Same Patch Batch · Tenda · 2026-04-06 · 6 CVEs total
| CVE-2026-5609 | 8.8 HIGH | Tenda i12 Parameter wifiSSIDset formwrlSSIDset stack-based overflow |
| CVE-2026-5685 | 8.8 HIGH | Tenda CX12L addressNat fromAddressNat stack-based overflow |
| CVE-2026-5687 | 8.8 HIGH | Tenda CX12L NatStaticSetting fromNatStaticSetting stack-based overflow |
| CVE-2026-5684 | 8.0 HIGH | Tenda CX12L webExcptypemanFilter fromwebExcptypemanFilter stack-based overflow |
| CVE-2026-5683 | 5.5 MEDIUM | Tenda CX12L P2pListFilter fromP2pListFilter stack-based overflow |
IV. Related Vulnerabilities
Same product: CX12L
- CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based - CVE-2026-5687
Tenda CX12L NatStaticSetting fromNatStaticSetting stack-base - CVE-2026-5685
Tenda CX12L addressNat fromAddressNat stack-based overflow - CVE-2026-5684
Tenda CX12L webExcptypemanFilter fromwebExcptypemanFilter st - CVE-2026-5683
Tenda CX12L P2pListFilter fromP2pListFilter stack-based over
Same vendor: Tenda
- CVE-2026-8265
Tenda AC6 httpd getLogFile get_log_file os command injection - CVE-2026-8264
Tenda AC6 httpd WifiApScan formWifiApScan os command injecti - CVE-2026-8263
Tenda AC6 httpd WifiExtraSet fromSetWirelessRepeat os comman - CVE-2026-8259
Tenda AC6 httpd telnet os command injection - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
Same weakness: CWE-121
- CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-41509
Integer underflow in crypto_sign_open() leads to buffer over - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
V. Comments for CVE-2026-5686
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