Login Request a demo
Medium severity · published Jan 29, 2026
CVE-2026-1601
Totolink A7000R cstecgi.cgi setUploadUserData command injection
6.3
CVSS
2.2%
EPSS
No
On KEV
Description
A weakness has been identified in Totolink A7000R 4.1cu.4154. The impacted element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument FileName can lead to command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A7
A7000R · Totolink
4.1cu.4154 · source: vendor
AF
A7000r Firmware · Totolink
4.1cu.4154 · source: NVD
Affected product
A7
A7000R
Totolink
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1601
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1601
Exploit
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md
Exploit
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md#poc
Permissions Required
https://vuldb.com/?ctiid.343373
Third Party Advisory
https://vuldb.com/?id.343373
Third Party Advisory
https://vuldb.com/?submit.740760
Product
https://www.totolink.net/
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