CVE-2026-5679— Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection
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I. Basic Information for CVE-2026-5679
Vulnerability Information
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Vulnerability Title
Totolink A3300R cstecgi.cgi vsetTr069Cfg os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_B20221024. The impacted element is the function vsetTr069Cfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument stun_pass leads to os command injection. The exploit has been disclosed publicly and may be used.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/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 A3300R 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK A3300R是中国吉翁电子（TOTOLINK）公司的一款无线路由器。 TOTOLINK A3300R 17.0.0cu.557_B20221024版本存在操作系统命令注入漏洞，该漏洞源于对文件/cgi-bin/cstecgi.cgi中参数stun_pass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-2026-5679
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Same Patch Batch · Totolink · 2026-04-06 · 9 CVEs total
| CVE-2026-5676 | 7.3 HIGH | Totolink A8000R cstecgi.cgi setLanguageCfg missing authentication |
| CVE-2026-5677 | 7.3 HIGH | Totolink A7100RU cstecgi.cgi CsteSystem os command injection |
| CVE-2026-5678 | 7.3 HIGH | Totolink A7100RU cstecgi.cgi setScheduleCfg os command injection |
| CVE-2026-5688 | 7.3 HIGH | Totolink A7100RU cstecgi.cgi setDdnsCfg os command injection |
| CVE-2026-5689 | 7.3 HIGH | Totolink A7100RU cstecgi.cgi setNtpCfg os command injection |
| CVE-2026-5690 | 7.3 HIGH | Totolink A7100RU cstecgi.cgi setRemoteCfg os command injection |
| CVE-2026-5691 | 7.3 HIGH | Totolink A7100RU cstecgi.cgi setFirewallType os command injection |
| CVE-2026-5692 | 7.3 HIGH | Totolink A7100RU cstecgi.cgi setGameSpeedCfg os command injection |
IV. Related Vulnerabilities
Same product: A3300R
- CVE-2026-5178
Totolink A3300R cstecgi.cgi setIptvCfg command injection - CVE-2026-5177
Totolink A3300R cstecgi.cgi setWiFiBasicCfg command injectio - CVE-2026-5176
Totolink A3300R cstecgi.cgi setSyslogCfg command injection - CVE-2026-5105
Totolink A3300R Parameter cstecgi.cgi setVpnPassCfg command - CVE-2026-5104
Totolink A3300R cstecgi.cgi setStaticRoute command injection
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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