Vulnerability · Published Aug 5, 2024 · Assigned by VulDB

CVE-2024-7463TOTOLINK CP900 cstecgi.cgi UploadCustomModule buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in CP900 from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 11.0% (higher than 96% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)11.0%top 4.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability classified as critical was found in TOTOLINK CP900 6.3c.566. 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-273556. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
TOTOLINK	CP900	6.3c.566

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-273556 | TOTOLINK CP900 cstecgi.cgi UploadCustomModule buffer overflow vdb-entry, technical-description
VDB-273556 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #381333 | TOTOLINK CP900 V6.3c.566 Buffer Overflow third-party-advisory
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/CP900/UploadCustomModule.md exploit