TOTOLINK EX1800T cstecgi.cgi sub_40662C stack-based overflow
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability classified as problematic was found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316. This vulnerability affects the function sub_40662C of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TOTOLINK | EX1800T | 9.1.0cu.2112_B20220316 | — | No fix listed | CNA |
- EX1800T VendorTOTOLINK Affected 9.1.0cu.2112_B20220316 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-12352
- 2026-10-03 Alias added: GHSA-3m63-4rwc-c6p8
References
More TOTOLINK Ex1800t Firmware vulnerabilities
- TI-2024-22662 TOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType… CVSS 3.1CRITICAL 9.8
- TI-2025-02085 TOTOLINK EX1800T cstecgi.cgi setWiFiExtenderConfig stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-02084 TOTOLINK EX1800T cstecgi.cgi setPasswordCfg stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-01835 TOTOLINK EX1800T cstecgi.cgi setRptWizardCfg stack-based overflow CVSS 4.0HIGH 8.7
- TI-2025-01597 Totolink EX1800T cstecgi.cgi loginAuth buffer overflow CVSS 4.0HIGH 8.7
- TI-2025-01834 TOTOLINK EX1800T cstecgi.cgi setRebootScheCfg os command injection CVSS 4.0MEDIUM 5.3
Sources
- CVE-2024-12352 · CVE Program
- CVE-2024-12352 · NVD
- FIRST EPSS
- GHSA-3m63-4rwc-c6p8 · GitHub Advisory Database · CC BY 4.0
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