CVE-2026-2871— Tenda A21 SetIpMacBind fromSetIpMacBind stack-based overflow
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-2871
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View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 A21 SetIpMacBind fromSetIpMacBind stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in Tenda A21 1.0.0.0. This affects the function fromSetIpMacBind of the file /goform/SetIpMacBind. This manipulation of the argument list causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could 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 A21 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda A21是中国腾达（Tenda）公司的一个无线信号扩展器。 Tenda A21 1.0.0.0版本存在安全漏洞，该漏洞源于/goform/SetIpMacBind文件中fromSetIpMacBind函数对参数list的操作存在栈缓冲区溢出。
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-2026-2871
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-2871
请登录查看更多情报信息。
Same Patch Batch · Tenda · 2026-02-21 · 8 CVEs total
| CVE-2026-2886 | 8.8 HIGH | Tenda A21 SetOnlineDevName set_device_name stack-based overflow |
| CVE-2026-2877 | 8.8 HIGH | Tenda A18 Httpd Service WifiExtraSet strcpy stack-based overflow |
| CVE-2026-2876 | 8.8 HIGH | Tenda A18 setBlackRule parse_macfilter_rule stack-based overflow |
| CVE-2026-2874 | 8.8 HIGH | Tenda A21 fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow |
| CVE-2026-2873 | 8.8 HIGH | Tenda A21 openSchedWifi setSchedWifi stack-based overflow |
| CVE-2026-2872 | 8.8 HIGH | Tenda A21 MAC Filtering Configuration Endpoint setBlackRule set_device_name stack-based ov |
| CVE-2026-2870 | 8.8 HIGH | Tenda A21 formSetQosBand set_qosMib_list stack-based overflow |
IV. Related Vulnerabilities
Same product: A21
- CVE-2026-2886
Tenda A21 SetOnlineDevName set_device_name stack-based overf - CVE-2026-2874
Tenda A21 fast_setting_wifi_set form_fast_setting_wifi_set s - CVE-2026-2873
Tenda A21 openSchedWifi setSchedWifi stack-based overflow - CVE-2026-2872
Tenda A21 MAC Filtering Configuration Endpoint setBlackRule - CVE-2026-2870
Tenda A21 formSetQosBand set_qosMib_list stack-based overflo
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-2026-2871
No comments yet