CVE-2026-75013
TOTOLINK EX1200L cstecgi.cgi setWizardCfg null pointer dereference
- State
- Published
- Severity
- 7.1 High
- Published
- Aug 17, 2026
- Updated
- Aug 18, 2026
- Reserved
- Aug 17, 2026
Description
A vulnerability was detected in TOTOLINK EX1200L 9.3.5u.6146_B20201023. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation results in null pointer dereference. The attack can be launched remotely. The exploit is now public and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.5 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.8 Medium | AV:N/AC:L/Au:S/C:N/I:N/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
EX1200LTOTOLINK |
|
References
- VDB-391273 | TOTOLINK EX1200L cstecgi.cgi setWizardCfg null pointer dereferencevdb-entrytechnical-description
- VDB-391273 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-75013 | CVE Analysis and Reportthird-party-advisory
- Submit #876033 | Totolink EX1200L Firmware V9.3.5u.6146_B20201023 NULL Pointer Dereferencethird-party-advisory
- https://gist.github.com/wyxstarry/21e6c2853891a3beb140a7c879069f9fexploit
- https://www.totolink.net/product
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