Buffer overflow in Tenda Ch22
CVE-2025-11418
A security vulnerability has been detected in Tenda CH22 up to 1.0.0.1. This issue affects the function formWrlsafeset of the file /goform/AdvSetWrlsafeset of the component HTTP Request Handler. The manipulation of the argument mit_ssid_in…
Vulnerability class: Buffer Overflow
EPSS: 0.008 (74.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.
Affected products
- Tenda Ch22 — versions 1.0.0.0, 1.0.0.1
Weakness classification (CWE)
References
- VDB-327354 | Tenda CH22 HTTP Request AdvSetWrlsafeset formWrlsafeset stack-based overflow (vdb-entry, technical-description)
- VDB-327354 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #665615 | Tenda CH22 V1.0.0.1 Stack-based Buffer Overflow (third-party-advisory)
- github.com/Sxxxw/cve/issues/2 (exploit, issue-tracking)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-11418?
- CVE-2025-11418 is a critical-severity vulnerability in Tenda Ch22, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2025-10-08.
- How severe is CVE-2025-11418?
- Critical severity. CVSS v3 base score is 9.8 out of 10.