CVE-2025-11339
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk60th percentile - higher than 60% of all known CVEs
Summary
A buffer overflow vulnerability has been found in D-Link DI-7100G C1 up to 20250928, affecting the sub_4BD4F8 function in /webchat/hi_block.asp of the jhttpd component. Manipulation of the popupId argument leads to buffer overflow. The attack can be initiated remotely and the exploit has been publicly disclosed.
Risk Assessment
This vulnerability could allow a remote attacker to execute arbitrary code or cause a denial of service, posing a serious threat to network availability. The public availability of the exploit increases the risk of rapid exploitation.
Recommendation
Update the device firmware to the latest version if available, or restrict access to the web interface to trusted networks only. Consider retiring the device if the vendor does not provide patches.
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Original NVD description (English source)
A vulnerability has been found in D-Link DI-7100G C1 up to 20250928. This issue affects the function sub_4BD4F8 of the file /webchat/hi_block.asp of the component jhttpd. The manipulation of the argument popupId leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS