D-Link DI-8100 1.0: Remote Stack Buffer Overflow via jhttpd sprintf in /upnp_ctrl.asp
CVE-2025-7911 Published on July 20, 2025
D-Link DI-8100 jhttpd upnp_ctrl.asp sprintf stack-based overflow
A vulnerability classified as critical was found in D-Link DI-8100 1.0. This vulnerability affects the function sprintf of the file /upnp_ctrl.asp of the component jhttpd. The manipulation of the argument remove_ext_proto/remove_ext_port leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Timeline
Advisory disclosed
VulDB entry created
VulDB entry last update
Weakness Types
What is a Stack Overflow Vulnerability?
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CVE-2025-7911 has been classified to as a Stack Overflow vulnerability or weakness.
What is a Buffer Overflow Vulnerability?
The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.
CVE-2025-7911 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2025-7911
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Affected Versions
D-Link DI-8100 Version 1.0 is affected by CVE-2025-7911Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.