CVE-2024-7187: totolink a3600r_firmware Classic Buffer Overflow

Vulnerability summary

CVE-2024-7187 is a high (CVSS 9.0) Classic Buffer Overflow vulnerability in totolink a3600r_firmware. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.6% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 29-07-2024
   PublishedVulnerability first disclosed.
2. 01-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability was found in TOTOLINK A3600R 4.1.2cu.5182_B20201102. It has been declared as critical. This vulnerability affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-272608. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.