High 7.4Published Aug 31, 2026

CVE-2026-82597TOTOLINK NR1800X cstecgi.cgi setUssd command injection

Updated under an hour ago (2026-10-19 07:23 UTC)

Does this affect you?

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

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for TOTOLINK NR1800X

Exploited in the last 30 days

A vulnerability was identified in TOTOLINK NR1800X 9.1.0u.6681_B20230703. This affects the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.

CVSS: 7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/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: Aug 31, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TOTOLINK NR1800X totolink:nr1800x_firmware	9.1.0u.6681_B20230703	CNA record

References

https://vuldb.com/vuln/397092vdb-entry, technical-description
https://vuldb.com/vuln/397092/ctisignature, permissions-required
https://vuldb.com/cve/CVE-2026-82597third-party-advisory
https://vuldb.com/submit/892696third-party-advisory
https://github.com/lxiansheng488-bit/-/blob/main/TOTOlink/totolink%20setuuid%E5%91%BD%E4%BB%A4%E6%B3%A8%E5%85%A5.pdfexploit
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.