Vulnerability Monitor

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CVE-2019-16534

On DrayTek Vigor2925 devices with firmware 3.8.4.3, XSS exists via a crafted WAN name on the General Setup screen. NOTE: this is an end-of-life product.

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 8 products from draytek, from draytek, from draytek and 5 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-09-20T16:15:13.617

Last Modified

2024-11-21T04:30:46.890

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	draytek	vigor2925_firmware	3.8.4.3	Yes
Hardware	draytek	vigor_2925	-	No
Hardware	draytek	vigor_2925n	-	No
Hardware	draytek	vigor2925ac	-	No
Hardware	draytek	vigor2925fn	-	No
Hardware	draytek	vigor2925n-plus	-	No
Hardware	draytek	vigor2925vac	-	No
Hardware	draytek	vigor2925vn-plus	-	No

References

https://www.draytek.com/about/security-advisory/urgent-security-updates-to-draytek-routers ([email protected])
https://www.facebook.com/Huang.YuHsiang.Phone/posts/1815316691945755 Third Party Advisory ([email protected])
https://www.draytek.com/about/security-advisory/urgent-security-updates-to-draytek-routers (af854a3a-2127-422b-91ae-364da2661108)
https://www.facebook.com/Huang.YuHsiang.Phone/posts/1815316691945755 Third Party 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 draytek'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.