CVE-2025-4851

A vulnerability classified as critical was found in TOTOLINK N300RH 6.1c.1390_B20191101. This vulnerability affects the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Weakness

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Potential Mitigations

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/10.html
• https://cwe.mitre.org/data/definitions/101.html
• https://cwe.mitre.org/data/definitions/105.html
• https://cwe.mitre.org/data/definitions/108.html
• https://cwe.mitre.org/data/definitions/120.html
• https://cwe.mitre.org/data/definitions/13.html
• https://cwe.mitre.org/data/definitions/135.html
• https://cwe.mitre.org/data/definitions/14.html
• https://cwe.mitre.org/data/definitions/24.html
• https://cwe.mitre.org/data/definitions/250.html
• https://cwe.mitre.org/data/definitions/267.html
• https://cwe.mitre.org/data/definitions/273.html
• https://cwe.mitre.org/data/definitions/28.html
• https://cwe.mitre.org/data/definitions/3.html
• https://cwe.mitre.org/data/definitions/34.html
• https://cwe.mitre.org/data/definitions/42.html
• https://cwe.mitre.org/data/definitions/43.html
• https://cwe.mitre.org/data/definitions/45.html
• https://cwe.mitre.org/data/definitions/46.html
• https://cwe.mitre.org/data/definitions/47.html
• https://cwe.mitre.org/data/definitions/51.html
• https://cwe.mitre.org/data/definitions/52.html
• https://cwe.mitre.org/data/definitions/53.html
• https://cwe.mitre.org/data/definitions/6.html
• https://cwe.mitre.org/data/definitions/64.html
• https://cwe.mitre.org/data/definitions/67.html
• https://cwe.mitre.org/data/definitions/7.html
• https://cwe.mitre.org/data/definitions/71.html
• https://cwe.mitre.org/data/definitions/72.html
• https://cwe.mitre.org/data/definitions/76.html
• https://cwe.mitre.org/data/definitions/78.html
• https://cwe.mitre.org/data/definitions/79.html
• https://cwe.mitre.org/data/definitions/8.html
• https://cwe.mitre.org/data/definitions/80.html
• https://cwe.mitre.org/data/definitions/83.html
• https://cwe.mitre.org/data/definitions/84.html
• https://cwe.mitre.org/data/definitions/9.html

References

• https://github.com/CH13hh/tmp_store_cc/blob/main/tt/ta/m3.md
• https://vuldb.com/?ctiid.309322
• https://vuldb.com/?id.309322
• https://vuldb.com/?submit.575074
• https://www.totolink.net/