CVE-2026-1328
Totolink NR1800X POST Request cstecgi.cgi setWizardCfg buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Jan 22, 2026
- Updated
- Feb 23, 2026
- Reserved
- Jan 22, 2026
Description
A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. Impacted is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Performing a manipulation of the argument ssid results in buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 8.8 High | 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 | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
NR1800XTotolink |
|
References
- VDB-342304 | Totolink NR1800X POST Request cstecgi.cgi setWizardCfg buffer overflowvdb-entrytechnical-description
- VDB-342304 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #735792 | TOTOLINK NR1800X NR1800X_Firmware V9.1.0u.6279_B20210910 Buffer Overflowthird-party-advisory
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-NR1800X-setWizardCfg-2e453a41781f80568a54c9368082fbe9?source=copy_linkexploit
- https://www.totolink.net/product
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