CVE-2026-1156
Totolink LR350 cstecgi.cgi setWiFiBasicCfg buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Jan 19, 2026
- Updated
- Feb 23, 2026
- Reserved
- Jan 18, 2026
Description
A vulnerability was determined in Totolink LR350 9.3.5u.6369_B20220309. Affected by this issue is the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument ssid causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.
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 |
|---|---|
LR350Totolink |
|
References
- VDB-341750 | Totolink LR350 cstecgi.cgi setWiFiBasicCfg buffer overflowvdb-entrytechnical-description
- VDB-341750 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #735722 | TOTOLINK LR350 LR350 V9.3.5u.6369_B20220309 Buffer Overflowthird-party-advisory
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiBasicCfg-2e453a41781f80a2ad43e85bf5d46659?source=copy_linkexploit
- https://www.totolink.net/product
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