CVE-2026-1601

Totolink A7000R cstecgi.cgi setUploadUserData command injection

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.

Affected

Totolink · A7000R

CVSS v4.0 VULDB

2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 VULDB

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

2.20% chance of exploitation in the next 30 days, 82nd percentile

Published

2026-01-29

Updated

2026-02-23

Proof-of-concept exploits (1)

• xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md7★ · 2026-05-01

Security advisories

• https://vuldb.com/?id.343373
• https://vuldb.com/?submit.740760
• https://www.totolink.net

References

• CVE Record
• NVD entry

Related

• CVE-2025-15356
• CVE-2025-15357
• CVE-2025-57105
• CVE-2025-9769
• CVE-2026-0640
• CVE-2026-1420