CVE-2025-67445
Quick assessment
Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
TOTOLINK X5000R是中国吉翁电子（TOTOLINK）公司的一个路由器。 TOTOLINK X5000R V9.1.0cu.2415_B20250515版本存在安全漏洞，该漏洞源于/cgi-bin/cstecgi.cgi中CONTENT_LENGTH环境变量边界检查不足，可能导致内存耗尽或分段错误，进而导致管理CGI崩溃和Web界面可用性丧失。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-67445
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
TOTOLINK X5000R V9.1.0cu.2415_B20250515 contains a denial-of-service vulnerability in /cgi-bin/cstecgi.cgi. The CGI reads the CONTENT_LENGTH environment variable and allocates memory using malloc (CONTENT_LENGTH + 1) without sufficient bounds checking. When lighttpd s request size limit is not enforced, a crafted large POST request can cause memory exhaustion or a segmentation fault, leading to a crash of the management CGI and loss of availability of the web interface.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
TOTOLINK X5000R 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TOTOLINK X5000R是中国吉翁电子（TOTOLINK）公司的一个路由器。 TOTOLINK X5000R V9.1.0cu.2415_B20250515版本存在安全漏洞，该漏洞源于/cgi-bin/cstecgi.cgi中CONTENT_LENGTH环境变量边界检查不足，可能导致内存耗尽或分段错误，进而导致管理CGI崩溃和Web界面可用性丧失。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2025-67445
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | A PoC for CVE-2025-67445 | https://github.com/DaRkSpOoOk/CVE-2025-67445 | POC Details |
AI-Generated POC
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Same Patch Batch · n/a · 2026-02-24 · 9 CVEs total
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| CVE-2026-3066 | 6.3 MEDIUM | HummerRisk Cloud Compliance Scanning PlatformUtils.java fixedCommand command injection |
| CVE-2026-3065 | 6.3 MEDIUM | HummerRisk Cloud Task Dry-run CloudTaskService.java CommandUtils.commonExecCmdWithResult c |
| CVE-2026-3064 | 6.3 MEDIUM | HummerRisk Cloud Task Scheduler ResourceCreateService.java command injection |
| CVE-2025-15589 | 3.8 LOW | MuYuCMS Template Management Template.php delete_dir_file path traversal |
| CVE-2025-63409 | GCOM EPON 1GE 安全漏洞 | |
| CVE-2025-69985 | FUXA 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2025-67445
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