CVE-2025-14526
Tenda CH22 L7Im frmL7ImForm buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Dec 11, 2025
- Updated
- Feb 24, 2026
- Reserved
- Dec 11, 2025
Description
A security flaw has been discovered in Tenda CH22 1.0.0.1. This affects the function frmL7ImForm of the file /goform/L7Im. Performing a manipulation of the argument page results in buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.
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 |
|---|---|
CH22Tenda |
|
References
- VDB-335866 | Tenda CH22 L7Im frmL7ImForm buffer overflowvdb-entrytechnical-description
- VDB-335866 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #703035 | Tenda CH22 V1.0.0.1 Buffer overflow vulnerabilitythird-party-advisory
- https://github.com/maximdevere/CVE2/issues/5issue-tracking
- https://github.com/maximdevere/CVE2/issues/5#issue-3673676260exploitissue-tracking
- https://www.tenda.com.cn/product
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