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CVE-2026-4184

31
FAUCET Score

CVE-2026-4184 is a critical stack-based buffer overflow vulnerability found in D-Link DIR-816 1.10CNB05 firmware, specifically within the /goform/form2Wl5BasicSetup.cgi component when processing the pskValue argument. This vulnerability, which affects unsupported products, carries a CVSS score of 9.8 (Critical) due to its remote, unauthenticated, and low-complexity attack vector. Successful exploitation can lead to a complete compromise of the device's confidentiality, integrity, and availability. Although public exploit code exists, there is currently no evidence of active exploitation, and it has received minimal community discussion or media attention.

Impacted Technologies

VendorProductVersion(s)CPE
1.10cnb05CPE matchmatch criteria
cpe:2.3:o:dlink:dir-816_firmware:1.10cnb05:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.9HIGH

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/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
1.18%
Probability of exploitation in next 30 days
EPSS Percentile
64.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 50th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / wudipjq/my_vuln/blob/main/D-Link7/vuln_88/88.md
ExploitThird Party Advisory
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
dlink.com
Product