Vulnerability CVE-2019-10677
Published: 2019-09-05

Description:
Multiple Cross-Site Scripting (XSS) issues in the web interface on DASAN Zhone ZNID GPON 2426A EU version S3.1.285 devices allow a remote attacker to execute arbitrary JavaScript via manipulation of an unsanitized GET parameter: /zhndnsdisplay.cmd (name), /wlsecrefresh.wl (wlWscCfgMethod, wl_wsc_reg).

See advisories in our WLB2 database:
Topic
Author
Date
Low
DASAN Zhone ZNID GPON 2426A EU Multiple Cross-Site Scripting
Adam Ziaja
05.09.2019

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Dasanzhone -> Znid gpon 2426a eu firmware 

 References:
http://packetstormsecurity.com/files/154357/DASAN-Zhone-ZNID-GPON-2426A-EU-Cross-Site-Scripting.html
https://adamziaja.com/poc/201903-xss-zhone.html
https://blog.redteam.pl/2019/09/cve-2019-10677-dasan-zhone-znid.html
https://redteam.pl/poc/dasan-zhone-znid-gpon-2426a-eu.html
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