Buffer overflow in Tenda Ch22
CVE-2025-5685
A vulnerability, which was classified as critical, was found in Tenda CH22 1.0.0.1. This affects the function formNatlimit of the file /goform/Natlimit. The manipulation of the argument page leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Vulnerability class: Buffer Overflow
EPSS: 0.008 (52.9th 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.
Affected products
- Tenda Ch22 — versions 1.0.0.1
- Tenda Ch22_firmware — versions 1.0.0.1
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2025-5685?
- CVE-2025-5685 is a high-severity vulnerability in Tenda Ch22, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-06-05.
- How severe is CVE-2025-5685?
- High severity. CVSS v3 base score is 8.8 out of 10.