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CVE-2020-15896

19
FAUCET Score

CVE-2020-15896 is an authentication bypass vulnerability affecting D-Link DAP-1522 devices running firmware versions 1.4x before 1.10b04Beta02. An attacker can bypass authentication by appending a specific query string to protected URLs, granting unauthorized access to application pages. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network without user interaction, potentially leading to full compromise of confidentiality. There is no evidence of active exploitation, and public exploit code is not readily available, though it has received some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.41CPE matchmatch criteria
cpe:2.3:o:dlink:dap-1522_firmware:1.41:*:*:*:*:*:*:*
1.42CPE matchmatch criteria
cpe:2.3:o:dlink:dap-1522_firmware:1.42:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.72%
Probability of exploitation in next 30 days
EPSS Percentile
75.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0172 is in the 58th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

research.loginsoft.com / bugs/authentication-bypass-in-d-link-firmware-dap-1522
Third Party Advisory
supportannouncement.us.dlink.com / announcement/publication.aspx
PatchVendor Advisory