Vulnerability Details CVE-2026-1548
A flaw has been found in Totolink A7000R 4.1cu.4154. This impacts the function CloudACMunualUpdateUserdata of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument url causes command injection. The attack can be initiated remotely. The exploit has been published and may be used.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 77.0%
CVSS Severity
CVSS v3 Score 6.3
CVSS v2 Score 6.5
References
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/02_RCE_CloudACMunualUpdateUserdata_RCE.md
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/02_RCE_CloudACMunualUpdateUserdata_RCE.md#poc
- https://vuldb.com/?ctiid.343232
- https://vuldb.com/?id.343232
- https://vuldb.com/?submit.739715
- https://www.totolink.net/
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/02_RCE_CloudACMunualUpdateUserdata_RCE.md
Products affected by CVE-2026-1548
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cpe:2.3:h:totolink:a7000r:-
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cpe:2.3:o:totolink:a7000r_firmware:4.1cu.4154