CVE-2026-8234
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk39th percentile - higher than 39% of all known CVEs
Summary
EFM ipTIME A8004T router version 14.18.2 has a stack-based buffer overflow vulnerability in the formWifiBasicSet function in /goform/WifiBasicSet via manipulation of the security_5g argument. The attack can be performed remotely, and the exploit is publicly available.
Risk Assessment
An attacker can remotely crash the device or potentially execute arbitrary code, leading to full router compromise.
Recommendation
Update the router firmware if a newer version is available, or consider replacing the device, as the vendor did not respond to the disclosure.
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Original NVD description (English source)
A security vulnerability has been detected in EFM ipTIME A8004T 14.18.2. This vulnerability affects the function formWifiBasicSet of the file /goform/WifiBasicSet. The manipulation of the argument security_5g leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS