CVE-2026-7218
Totolink N300RT libapmib.so formWsc is_cmd_string_valid buffer overflow
- State
- Published
- Severity
- 8.6 High
- Published
- Apr 28, 2026
- Updated
- Apr 29, 2026
- Reserved
- Apr 27, 2026
Description
A vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argument localPin results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 7.2 High | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 8.3 High | AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
N300RTTotolink |
|
References
- VDB-359818 | Totolink N300RT libapmib.so formWsc is_cmd_string_valid buffer overflowvdb-entrytechnical-description
- VDB-359818 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #802127 | Totolink N300RT Router V3.4.0-B20250430 Buffer Overflowthird-party-advisory
- https://github.com/xiaohaiyang-ai/TOTOLINK-N300RT-Buffer-Overflowexploit
- https://www.totolink.net/product
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