CVE-2026-6194— Totolink A3002MU HTTP Request formWlanSetup sub_410188 stack-based overflow
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I. Basic Information for CVE-2026-6194
Vulnerability Information
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Vulnerability Title
Totolink A3002MU HTTP Request formWlanSetup sub_410188 stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in Totolink A3002MU B20211125.1046. Affected by this vulnerability is the function sub_410188 of the file /boafrm/formWlanSetup of the component HTTP Request Handler. This manipulation of the argument wan-url causes stack-based buffer overflow. Remote exploitation of the attack is possible. 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
TOTOLINK A3002MU 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A3002MU是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 Totolink A3002MU B20211125.1046版本存在安全漏洞，该漏洞源于HTTP Request Handler组件中文件/boafrm/formWlanSetup的函数sub_410188对参数wan-url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-2026-6194
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Same Patch Batch · Totolink · 2026-04-13 · 11 CVEs total
| CVE-2026-6195 | 9.8 CRITICAL | Totolink A7100RU CGI cstecgi.cgi setPasswordCfg os command injection |
| CVE-2026-6156 | 9.8 CRITICAL | Totolink A7100RU CGI cstecgi.cgi setIpQosRules os command injection |
| CVE-2026-6155 | 9.8 CRITICAL | Totolink A7100RU CGI cstecgi.cgi setWanCfg os command injection |
| CVE-2026-6154 | 9.8 CRITICAL | Totolink A7100RU CGI cstecgi.cgi setWizardCfg os command injection |
| CVE-2026-6140 | 9.8 CRITICAL | Totolink A7100RU CGI cstecgi.cgi UploadFirmwareFile os command injection |
| CVE-2026-6139 | 9.8 CRITICAL | Totolink A7100RU CGI cstecgi.cgi UploadOpenVpnCert os command injection |
| CVE-2026-6138 | 9.8 CRITICAL | Totolink A7100RU CGI cstecgi.cgi setAccessDeviceCfg os command injection |
| CVE-2026-6168 | 8.8 HIGH | TOTOLINK A7000R cstecgi.cgi setWiFiEasyGuestCfg stack-based overflow |
| CVE-2026-6157 | 8.8 HIGH | Totolink A800R app.so setAppEasyWizardConfig buffer overflow |
| CVE-2026-6158 | 7.3 HIGH | Totolink N300RH upgrade.so setUpgradeUboot os command injection |
IV. Related Vulnerabilities
Same vendor: Totolink
- CVE-2026-8137
Totolink X5000R formDdns sub_458E40 buffer overflow - CVE-2026-7823
Totolink A8000RU cstecgi.cgi setAppFilterCfg os command inje - CVE-2026-7750
Totolink N300RH POST Request cstecgi.cgi setMacFilterRules b - CVE-2026-7749
Totolink N300RH POST Request cstecgi.cgi setWanConfig buffer - CVE-2026-7748
Totolink N300RH POST Request cstecgi.cgi setUpgradeFW buffer
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-2026-6194
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