Critical severity · published Jan 9, 2024
CVE-2023-7221
Totolink T6 HTTP POST Request main buffer overflow
9.8
CVSS
1.5%
EPSS
No
On KEV
Description
A vulnerability was found in Totolink T6 4.1.9cu.5241_B20210923. It has been classified as critical. This affects the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument v41 leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249855. 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:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
T6
T6 · Totolink
4.1.9cu.5241_B20210923 · source: vendor
TF
T6 Firmware · Totolink
4.1.9cu.5241_b20210923 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-7221
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-7221
Exploit
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/T6/1/README.md
Permissions Required
https://vuldb.com/?ctiid.249855
Third Party Advisory
https://vuldb.com/?id.249855
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