by Kastro
Paper/Archive/CVE-2026-4181

CVE-2026-4181

D-Link DIR-816 — D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow

EPSS 1%public exploitCVSS 9.8
critical.is priorityof 100
53
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 68.3.683 × 2013.7Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

A security flaw has been discovered in D-Link DIR-816 1.10CNB05. This affects an unknown function of the file /goform/form2RepeaterStep2.cgi of the component goahead. The manipulation of the argument key1/key2/key3/key4/pskValue results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

Affected

ProductAffectedFixed inSource
DIR-8161.10CNB05–CNA

Scores by source

VulDB (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: partial

References

writeupvuldb.com/?id.351085refvuldb.com/?ctiid.351085writeupvuldb.com/?submit.769829exploitgithub.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.mdrefdlink.com