Vulnerability Monitor

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CVE-2020-25786

webinc/js/info.php on D-Link DIR-816L 2.06.B09_BETA and DIR-803 1.04.B02 devices allows XSS via the HTTP Referer header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: this is typically not exploitable because of URL encoding (except in Internet Explorer) and because a web page cannot specify that a client should make an additional HTTP request with an arbitrary Referer header

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.1, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 12 products from dlink, from dlink, from dlink and 9 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-09-19T20:15:11.903

Last Modified

2024-11-21T05:18:46.167

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	dlink	dir-803_firmware	1.04.b02	Yes
Hardware	dlink	dir-803	a1	No
Operating System	dlink	dir-816l_firmware	2.06	Yes
Operating System	dlink	dir-816l_firmware	2.06.b09	Yes
Hardware	dlink	dir-816l	b1	No
Operating System	dlink	dir-645_firmware	1.06b01	Yes
Hardware	dlink	dir-645	a1	No
Operating System	dlink	dir-815_firmware	2.07.b01	Yes
Hardware	dlink	dir-815	b1	No
Operating System	dlink	dir-860l_firmware	1.10b04	Yes
Hardware	dlink	dir-860l	a1	No
Operating System	dlink	dir-865l_firmware	1.08b01	Yes
Hardware	dlink	dir-865l	a1	No

References

https://github.com/sek1th/iot/blob/master/DIR-816L_XSS.md Exploit, Third Party Advisory ([email protected])
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10190 Vendor Advisory ([email protected])
https://github.com/sek1th/iot/blob/master/DIR-816L_XSS.md Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10190 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For dlink's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.