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CVE-2025-5623criticalCWE-119CWE-121

D-Link DIR-816 qosClassifier stack-based overflow

53Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.3epss 13%
exploitation probability
13%top 4% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A vulnerability was found in D-Link DIR-816 1.10CNB05. It has been classified as critical. This affects the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
D-Link · DIR-816
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.