CVE-2025-51451
BaseFortify
Publication date: 2025-08-13
Last updated on: 2025-09-26
Assigner: MITRE
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.5215 |
| totolink | ex1200t | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-287 | When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. |
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability allows an attacker to bypass the login authentication on the TOTOLINK EX1200T router by sending a specially crafted request to the formLoginAuth.htm endpoint. This means the attacker can gain unauthorized access to the router without needing valid login credentials. [1]
How can this vulnerability impact me? :
The vulnerability can lead to unauthorized access and control over the affected TOTOLINK router. An attacker exploiting this flaw could potentially change router settings, intercept network traffic, or disrupt network operations, compromising the security and privacy of the network and connected devices. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
You can detect this vulnerability by monitoring for unauthorized HTTP requests to the endpoint formLoginAuth.htm on the TOTOLINK EX1200T router. Specifically, look for unusual or crafted POST requests targeting formLoginAuth.htm which may indicate attempts to bypass login. Using network monitoring tools like tcpdump or Wireshark, you can filter HTTP traffic to detect such requests. For example, a command like 'tcpdump -i <interface> -A "tcp port 80 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)" | grep formLoginAuth.htm' can help capture relevant HTTP requests. Additionally, checking web server logs on the router for access to formLoginAuth.htm with suspicious parameters can help identify exploitation attempts. [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include restricting access to the router's management interface to trusted networks only, such as limiting access via firewall rules or disabling remote management. Additionally, monitor and block suspicious requests to formLoginAuth.htm. If available, update the router firmware to a version that patches this vulnerability. If no patch is available, consider replacing the device or disabling the vulnerable service to prevent unauthorized access. [1]