Vulnerability · Published Aug 1, 2024 · Assigned by VulDB

CVE-2024-7334TOTOLINK EX1200L cstecgi.cgi UploadCustomModule buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in EX1200L 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 68% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.2%top 31.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. It has been rated as critical. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-273257 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	EX1200L	9.3.5u.6146_B20201023

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-273257 | TOTOLINK EX1200L cstecgi.cgi UploadCustomModule buffer overflow vdb-entry, technical-description
VDB-273257 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #379286 | TOTOLINK EX1200L V9.3.5u.6146_B20201023 bu third-party-advisory
https://github.com/ruan-uer/create/blob/main/IoT-vulnerable/TOTOLINK/EX1200/UploadCustomModule.md exploit