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Description

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.

PUBLISHED Reserved 2026-03-14 | Published 2026-03-15 | Updated 2026-03-16 | Assigner VulDB




CRITICAL: 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
CRITICAL: 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
CRITICAL: 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
10.0AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR

Problem types

Stack-based Buffer Overflow

Memory Corruption

Product status

1.10CNB05
affected

Timeline

2026-03-14:Advisory disclosed
2026-03-14:VulDB entry created
2026-03-14:VulDB entry last update

Credits

pjqwudi (VulDB User) reporter

References

vuldb.com/?id.351085 (VDB-351085 | D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.351085 (VDB-351085 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.769829 (Submit #769829 | D-Link DIR816 1.10CNB05 Stack-based Buffer Overflow) third-party-advisory

github.com/wudipjq/my_vuln/blob/main/D-Link7/vuln_85/85.md exploit

www.dlink.com/ product

cve.org (CVE-2026-4181)

nvd.nist.gov (CVE-2026-4181)

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