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CVE-2026-1547

Totolink A7000R cstecgi.cgi setUnloadUserData command injection

CVSS 5.3 MEDIUMEPSS 2.8%CWE-74CWE-77
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5.3EPSS 2.8%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
28 Jan 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument plugin_name results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.
CVSS: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
Affected products
Totolink · A7000R

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References
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.mdhttps://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#pochttps://vuldb.com/?ctiid.343231https://vuldb.com/?id.343231https://vuldb.com/?submit.739713https://www.totolink.net/