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.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.343373
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.343373
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.740760
Exploit, Third Party Advisory exploit
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md
Exploit exploit
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md#poc
Product product
https://www.totolink.net/
Scores
CVSS v3
6.3
EPSS
0.0572
EPSS Percentile
90.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-74
CWE-77
Status
published
Products (1)
totolink/a7000r_firmware
4.1cu.4154
Published
Jan 29, 2026
Tracked Since
Feb 18, 2026