High severity · published Sep 4, 2023
CVE-2023-4746
A vulnerability classified as critical has been found in TOTOLINK N200RE V5 9.3.5u.6437_B20230519
8.8
CVSS
3.7%
EPSS
No
On KEV
Description
A vulnerability classified as critical has been found in TOTOLINK N200RE V5 9.3.5u.6437_B20230519. This affects the function Validity_check. The manipulation leads to format string. It is possible to initiate the attack remotely. The root-cause of the vulnerability is a format string issue. But the impact is to bypass the validation which leads to to OS command injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-238635.
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)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
N200re-v5 Firmware · Totolink
9.3.5u.6437_b20230519 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4746
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4746
Exploit
https://gist.github.com/dmknght/8f3b6aa65e9d08f45b5236c6e9ab8d80
Permissions Required
https://vuldb.com/?ctiid.238635
Third Party Advisory
https://vuldb.com/?id.238635
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