Buffer overflow in Tenda Ch22
CVE-2025-14526
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 poss…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (32.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: 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.
Affected products
- Tenda Ch22 — versions 1.0.0.1
Weakness classification (CWE)
References
- VDB-335866 | Tenda CH22 L7Im frmL7ImForm buffer overflow (vdb-entry, technical-description)
- VDB-335866 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #703035 | Tenda CH22 V1.0.0.1 Buffer overflow vulnerability (third-party-advisory)
- github.com/maximdevere/CVE2/issues/5 (issue-tracking)
- github.com/maximdevere/CVE2/issues/5 (exploit, issue-tracking)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-14526?
- CVE-2025-14526 is a high-severity vulnerability in Tenda Ch22, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-12-11.
- How severe is CVE-2025-14526?
- High severity. CVSS v3 base score is 8.8 out of 10.