Vulnerability Details CVE-2026-1547
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.042
EPSS Ranking 88.4%
CVSS Severity
CVSS v3 Score 6.3
CVSS v2 Score 6.5
References
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc
- https://vuldb.com/?ctiid.343231
- https://vuldb.com/?id.343231
- https://vuldb.com/?submit.739713
- https://www.totolink.net/
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/01_RCE_setUnloadUserData_RCE.md#poc
Products affected by CVE-2026-1547
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cpe:2.3:h:totolink:a7000r:-
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cpe:2.3:o:totolink:a7000r_firmware:4.1cu.4154