DI-8100 <=16.07.26A1 Stack Overflow via jhttpd DEF_MAX Attack
CVE-2025-4544 Published on May 11, 2025
D-Link DI-8100 jhttpd ddos.asp stack-based overflow
A vulnerability was found in D-Link DI-8100 up to 16.07.26A1 and classified as critical. This issue affects some unknown processing of the file /ddos.asp of the component jhttpd. The manipulation of the argument def_max/def_time/def_tcp_max/def_tcp_time/def_udp_max/def_udp_time/def_icmp_max leads to stack-based buffer overflow. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult.
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-2025-4544 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-2025-4544 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2025-4544
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Affected Versions
D-Link DI-8100 Version 16.07.26A1 is affected by CVE-2025-4544Exploit 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.