Vulnerability · Published Jul 29, 2024 · Assigned by VulDB

CVE-2024-7187TOTOLINK A3600R cstecgi.cgi UploadCustomModule buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in A3600R from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.2%top 32.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	A3600R	4.1.2cu.5182_B20201102

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

VDB-272608 | TOTOLINK A3600R cstecgi.cgi UploadCustomModule buffer overflow vdb-entry, technical-description
VDB-272608 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #378291 | TOTOLINK A3600R V4.1.2cu.5182_B20201102 Buffer Overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3600R/UploadCustomModule.md exploit