High 8.8Published Apr 30, 2026

CVE-2026-7548Totolink NR1800X cstecgi.cgi sub_41A68C command injection

Updated under an hour ago (Oct 26, 2026, 3:30 AM ET)

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It affects Totolink NR1800X. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Totolink NR1800X

Exploited in the last 30 days

A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. This affects the function sub_41A68C of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument setUssd results in command injection. The attack is possible to be carried out remotely. The exploit is now public and may be used.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Weakness (CWE): CWE-77, CWE-74
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: May 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Totolink NR1800X totolink:nr1800x_firmware	9.1.0u.6279_B20210910	CNA record

References

https://vuldb.com/vuln/360358vdb-entry, technical-description
https://vuldb.com/vuln/360358/ctisignature, permissions-required
https://vuldb.com/submit/804417third-party-advisory
https://github.com/newym/cve/blob/main/totolink%20nr1800x%20command%20injection.mdexploit
https://www.totolink.net/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.