CVE-2026-6158— Totolink N300RH upgrade.so setUpgradeUboot os command injection
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I. Basic Information for CVE-2026-6158
Vulnerability Information
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Vulnerability Title
Totolink N300RH upgrade.so setUpgradeUboot os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw has been found in Totolink N300RH 6.1c.1353_B20190305. Affected is the function setUpgradeUboot of the file upgrade.so. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out remotely. The exploit has been published and may be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
TOTOLINK N300RH 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK N300RH是中国吉翁电子（TOTOLINK）公司的一款长距离无线路由器。 Totolink N300RH 6.1c.1353_B20190305版本存在操作系统命令注入漏洞，该漏洞源于对文件upgrade.so中参数FileName的错误操作，可能导致os命令注入。
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-2026-6158
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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-2026-6194 | 8.8 HIGH | Totolink A3002MU HTTP Request formWlanSetup sub_410188 stack-based overflow |
| 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 |
IV. Related Vulnerabilities
Same product: N300RH
- 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 - CVE-2026-7747
Totolink N300RH Parameter cstecgi.cgi loginauth buffer overf - CVE-2026-7633
Totolink N300RH cstecgi.cgi setUploadSetting file inclusion
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-78
- CVE-2026-8273
D-Link DNS-320 system_mgr.cgi cgi_merge_user os command inje - CVE-2026-8272
D-Link DNS-320 webfile_mgr.cgi chown os command injection - CVE-2026-8271
D-Link DNS-320 network_mgr.cgi cgi_upnp_edit os command inje - CVE-2026-8265
Tenda AC6 httpd getLogFile get_log_file os command injection - CVE-2026-8264
Tenda AC6 httpd WifiApScan formWifiApScan os command injecti
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