CVE-2026-1547

2.1 lowEPSS 3.0%

Low (2.1) in totolink a7000r firmware. EPSS 3.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

2.1 low

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

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 3.0% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-74
Published: 2026-01-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

totolink:a7000r_firmware

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

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