CVE-2026-4489— Tenda A18 Pro fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-4489
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View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 A18 Pro fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in Tenda A18 Pro 02.03.02.28. This vulnerability affects the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set. The manipulation results in stack-based buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.
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 A18 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda A18是中国腾达（Tenda）公司的一款 AC1200 双频 Wi-Fi 中继器。 Tenda A18 Pro 02.03.02.28版本存在安全漏洞，该漏洞源于文件/goform/fast_setting_wifi_set中函数form_fast_setting_wifi_set存在栈缓冲区溢出。
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-2026-4489
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-4489
请登录查看更多情报信息。
- Submit #773619: Tenda A18pro V02.03.02.28 stackthird-party-advisory
- CVE-2026-4489 Tenda A18 Pro fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflowvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-4489
Same Patch Batch · Tenda · 2026-03-20 · 5 CVEs total
| CVE-2026-4493 | 8.8 HIGH | Tenda A18 Pro MAC Filtering Configuration Endpoint setMacFilterCfg sub_423B50 stack-based |
| CVE-2026-4492 | 8.8 HIGH | Tenda A18 Pro formSetQosBand set_qosMib_list stack-based overflow |
| CVE-2026-4491 | 8.8 HIGH | Tenda A18 Pro SetIpMacBind fromSetIpMacBind stack-based overflow |
| CVE-2026-4490 | 8.8 HIGH | Tenda A18 Pro openSchedWifi setSchedWifi stack-based overflow |
IV. Related Vulnerabilities
Same product: A18 Pro
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-2026-4489
No comments yet