High severity · published Aug 1, 2024
CVE-2024-7331
TOTOLINK A3300R cstecgi.cgi UploadCustomModule buffer overflow
8.8
CVSS
1.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A3
A3300R · TOTOLINK
17.0.0cu.557_B20221024 · source: vendor
AF
A3300r Firmware · Totolink
17.0.0cu.557_b20221024 · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-7331
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-7331
Exploit
https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3300R/UploadCustomModule.md
Permissions Required
https://vuldb.com/?ctiid.273254
Permissions Required
https://vuldb.com/?id.273254
Third Party Advisory
https://vuldb.com/?submit.378351
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