Medium 6.3Published Jan 22, 2026

CVE-2026-1326Totolink NR1800X POST Request cstecgi.cgi setWanCfg command injection

Updated under an hour ago (Oct 26, 2026, 7:23 PM 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 weakness has been identified in Totolink NR1800X 9.1.0u.6279_B20210910. This vulnerability affects the function setWanCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument Hostname causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

CVSS: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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: Analyzed
Record last updated: Feb 23, 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
totolink nr1800x_firmware totolink:nr1800x_firmware	9.1.0u.6279_b20210910	NVD

References

References

https://vuldb.com/?id.342302	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.342302	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.735787	third-party-advisory, vdb-entry
https://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-setWanCfg-2e453a41781f80b390f3e1ce0d9dd5b9?source=copy_link	exploit, third-party-advisory
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.