CVE-2025-6302
BaseFortify
Publication date: 2025-06-20
Last updated on: 2025-07-02
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| totolink | ex1200t_firmware | 4.1.2cu.5232_b20210713 |
| totolink | ex1200t | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
| CWE-121 | A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a critical stack-based buffer overflow found in the TOTOLINK EX1200T router (version 4.1.2cu.5232_B20210713). It occurs in the setStaticDhcpConfig function of the CGI script /cgi-bin/cstecgi.cgi. By manipulating the 'comment' argument with crafted input, an attacker can trigger a stack-based buffer overflow remotely without needing authentication. This can lead to arbitrary code execution or denial of service on the affected device. [1, 2]
How can this vulnerability impact me? :
This vulnerability can impact you by allowing remote attackers to execute arbitrary code or cause denial of service on your TOTOLINK EX1200T router without authentication. This compromises the confidentiality, integrity, and availability of the device, potentially disrupting network operations and exposing the device to further attacks. [1, 2]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection can focus on monitoring requests to the vulnerable CGI endpoint /cgi-bin/cstecgi.cgi, specifically looking for unusual or crafted 'comment' parameter values that may trigger the stack-based buffer overflow. Network intrusion detection systems (NIDS) or web application firewalls (WAF) can be configured to alert on HTTP requests containing the 'comment' parameter targeting this endpoint. However, no specific detection commands or signatures are provided in the available resources. [1, 2]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include replacing the affected TOTOLINK EX1200T device running version 4.1.2cu.5232_B20210713, as no known countermeasures or patches currently exist. Additionally, restricting network access to the vulnerable CGI endpoint, implementing firewall rules to block suspicious requests targeting /cgi-bin/cstecgi.cgi, and monitoring for exploit attempts can help reduce risk until the device is replaced. [2]