CVE-2026-4181
CRITICALD-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow
Title source: cnaDescription
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.
References (5)
Core 5
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-351085 | D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow
https://vuldb.com/?id.351085
Signature, Permissions Required signature
permissions-required
VDB-351085 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/?ctiid.351085
Third Party Advisory third-party-advisory
Submit #769829 | D-Link DIR816 1.10CNB05 Stack-based Buffer Overflow
https://vuldb.com/?submit.769829
Product product
https://www.dlink.com/
Scores
CVSS v3
9.8
EPSS
0.0118
EPSS Percentile
63.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-121
CWE-787
Status
published
Products (2)
D-Link/DIR-816
1.10CNB05
dlink/dir-816_firmware
1.10cnb05
Published
Mar 16, 2026
Tracked Since
Mar 16, 2026