Totolink A7100RU HTTP POST Request main buffer overflow
CVE-2023-7095

9.8CRITICAL

Key Information:

Vendor
Totolink
Status
A7100RU
Vendor
CVE Published:
25 December 2023

Summary

A buffer overflow vulnerability exists in the Totolink A7100RU model, specifically within the HTTP POST Request Handler's main function located at /cgi-bin/cstecgi.cgi?action=login. This flaw arises from manipulating the 'flag' argument, which can lead to unexpected behaviors and potential exploitation. Notably, the vulnerability allows attackers to execute remote attacks, highlighting significant concerns for user security. The public disclosure of this exploit demonstrates the urgency for users to implement the necessary security measures to protect their systems.

Affected Version(s)

A7100RU 7.4cu.2313_B20191024

References

https://vuldb.com/?id.248942
vdb-entrytechnical-description
https://vuldb.com/?ctiid.248942
signaturepermissions-required
https://github.com/unpWn4bL3/iot-security/blob/main/2.md
exploit

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

unpWn4bl3 (VulDB User)
.