CVE-2024-7331

01.08.2024, 00:15

A vulnerability was found in TOTOLINK A3300R 17.0.0cu.557_B20221024 and classified as critical. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-273254 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Classic Buffer Overflow

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	8.8 HIGH	NETWORK	LOW	LOW	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
VulDB	CNA	8.8 HIGH				CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA-ADP	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 75%

Vendor	Product	Version
totolink	a3300r_firmware	17.0.0cu.557_b20221024:cu.557_b20221024

𝑥

= Vulnerable software versions

Known Exploits!

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3300R/UploadCustomModule.md

Common Weakness Enumeration

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The program 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, leading to a buffer overflow.

References

https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3300R/UploadCustomModule.md

https://vuldb.com/?ctiid.273254

https://vuldb.com/?id.273254

https://vuldb.com/?submit.378351