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6.1
CVE-2019-20073: Netis DL4323 allows attacker to inject scripts via username field
CVE-2019-20073 · published 6 years ago
Summary
The Netis DL4323 router lets a malicious user place harmful code into the username field of its configuration page. This could let an attacker run unwanted actions in the web browser of anyone who views the page, potentially stealing data or altering settings. Update the router firmware to the latest version or disable remote access to the configuration page until it is patched.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| netis-systems | dl4343_firmware |
All versions
cpe:2.3:o:netis-systems:dl4343_firmware:-:*:*:*:*:*:*:* |
Original advisory text
On Netis DL4323 devices, XSS exists via the form2userconfig.cgi username parameter (User Account Configuration).
On Netis DL4323 devices, XSS exists via the form2userconfig.cgi username parameter (User Account Configuration).
References
- https://drive.google.com/open?id=1CxLrSKAczEZpm_7FERIrCGGJAs2mp6Go Exploit Third Party Advisory
- https://drive.google.com/open?id=1puObYuPWktesaVW1SO8uvSr1g4SnAtAw Exploit Third Party Advisory
- https://fatihhcelik.blogspot.com/2019/12/stored-xss-on-username-input-netisdl432... Exploit Third Party Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published30 Dec 2019
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2019-20073 · NVD
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