Medium severity · published Jun 8, 2026
CVE-2026-11554
TOTOLINK CP450 vsftpd vsftpd.conf least privilege violation
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
A vulnerability was determined in TOTOLINK CP450 4.1.0cu.747. This vulnerability affects unknown code of the file /etc/vsftpd.conf of the component vsftpd. This manipulation causes least privilege violation. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CP
CP450 · TOTOLINK
4.1.0cu.747 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-11554
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-11554
vuldb.com
https://vuldb.com/cve/CVE-2026-11554
vuldb.com
https://vuldb.com/submit/834821
vuldb.com
https://vuldb.com/vuln/369164
vuldb.com
https://vuldb.com/vuln/369164/cti
www.notion.so
https://www.notion.so/TOTOLink-CP450-V4-1-0cu-747-3671f5ba989080c3b39ac3984d2ff44d?source=copy_link
www.totolink.net
https://www.totolink.net/
More from CP450
9.9
CVE-2026-85031
TOTOLINK CP450 cstecgi.cgi buffer overflow
9.8
CVE-2024-7465
A vulnerability, which was classified as critical, was found in TOTOLINK CP450 4.1.0cu.747_B20191224
9.8
CVE-2024-7332
A vulnerability was found in TOTOLINK CP450 4.1.0cu.747_B20191224
9.8
CVE-2024-34213
TOTOLINK CP450 v4.1.0cu.747_B20191224 was discovered to contain a stack buffer overflow vulnerability in the SetPortForwardRules function
9.8
CVE-2024-34209
TOTOLINK CP450 v4.1.0cu.747_B20191224 was discovered to contain a stack buffer overflow vulnerability in the setIpPortFilterRules function